On Saturday, May 18th, 2013, over 500 people gathered to celebrate the trailhead renovation of one of Grand Canyon National Park’s oldest and most visited trails. https://www.nps.gov/grca/learn/news/grand-canyon-national-park-dedicates-the-newly-renovated-bright-angel-trailhead.htm

On Sunday June 30 at approximately 3:30 p.m., the Grand Canyon Regional Communications Center received a call from the emergency phone at Phantom Ranch Boat Beach with a report of an unconscious female hiker approximately three quarters of a mile above Phantom Ranch on the South Kaibab Trail within Grand Canyon National Park. https://www.nps.gov/grca/learn/news/2013-06-30-hiker-fatality.htm

A woman who died while hiking the South Kaibab trail in Grand Canyon National Park has been identified as 48-year old Sibylle Borger of Fredericksburg, VA. https://www.nps.gov/grca/learn/news/female-hiker-who-died-on-south-kaibab-trail-identified.htm

On Friday August 9 at approximately 2:00 p.m., the Grand Canyon Regional Communications Center received a call from a park volunteer with a report of an unconscious male hiker on the North Kaibab Trail approximately one half of a mile below the trailhead within Grand Canyon National Park. https://www.nps.gov/grca/learn/news/hiker-fatality-on-north-kaibab-trail-in-grand-canyon-national-park.htm

Recent heavy monsoonal rainfall has caused damage to portions of the South Kaibab Trail approximately one-half mile below Cedar Ridge and to the North Kaibab Trail below Supai Tunnel. https://www.nps.gov/grca/learn/news/heavy-monsoonal-rain-causes-trail-damage-to-grand-canyon-trails.htm

Recent heavy monsoonal rainfall caused damage to portions of the South Kaibab Trail approximately one-half mile below Cedar Ridge closing the trail to livestock use. Trail crews have completed work to remove debris from the trail. The trail is now open to livestock as well as foot traffic. https://www.nps.gov/grca/learn/news/update-crews-repair-south-kaibab-trail-after-monsoonal-rain-damage.htm

Horace P. Albright Training Center was officially listed to the National Register of Historic Places on September 30, 2013. The only National Park Service (NPS) training center in the West and located within the boundaries of Grand Canyon National Park, the Center is a state significant Historic District exemplifying simple, practical, modernist design of the Mission 66 Era. https://www.nps.gov/grca/learn/news/albright-training-center.htm

Grand Canyon Association (GCA), the official nonprofit partner of Grand Canyon National Park, today announced a $1 million donation from Arizona Public Service (APS) that will establish the Grand Canyon Trails Forever Endowment to help preserve and protect Grand Canyon’s trails. This is one of the most significant private, philanthropic gifts in Grand Canyon’s history. https://www.nps.gov/grca/learn/news/grand-canyon-association-receives-one-million-dollars-from-arizona-public-service-to-initiate-the-trails-forever-endowment-at-grand-canyon-national-park.htm

On Thursday, February 13th, Grand Canyon Railway, in consultation with the National Park Service (NPS), will be applying herbicide along their railroad tracks including those within Grand Canyon National Park. https://www.nps.gov/grca/learn/news/herbicide-to-be-applied-along-railway-within-grand-canyon-national-park.htm

The Galahad Fire has been contained to the point where no direct threats remain to park resources. The fire will continue to burn across the southern portion of the Walla Valley Peninsula west of the W-4 Road until wetting rains arrive, typically in mid-July. Currently it is estimated to be 4,363 acres and 50% contained. The increase in containment reflects ongoing holding actions by firefighters along the W-4 Road. https://www.nps.gov/grca/learn/news/galahad-fire-likely-to-burn-until-wetting-rains-arrive.htm

At approximately 11:30 am the Grand Canyon Regional Communications Center received a call reporting CPR in progress just above Three-Mile Rest House on the Bright Angel Trail. https://www.nps.gov/grca/learn/news/hiker-fatality.htm

At 2:20 p.m. the Grand Canyon Regional Communications Center received a 911 call from a visitor reporting CPR in progress on a male hiker on the North Kaibab Trail. https://www.nps.gov/grca/learn/news/hiker-fatality-july-11.htm

A man who died while hiking the North Kaibab Trail in Grand Canyon National Park has been identified as 47-year old Andrew Sammler of Lancaster, OH. https://www.nps.gov/grca/learn/news/hiker-identified.htm

On Friday, September 19, at approximately 4 p.m. the Grand Canyon Regional Communications Center received a 911 call from a visitor reporting that a male hiker had fallen and was having trouble breathing. https://www.nps.gov/grca/learn/news/male-hiker-dies-while-hiking-on-north-kaibab-trail.htm

The National Park Service is issuing a drinking water advisory for the following areas along the North Kaibab Trail, Manzanita Rest Area (Roaring Springs) and Cottonwood Campground within the backcountry at Grand Canyon National Park. The rest of the park including South Rim Village, Desert View, Indian Garden, Phantom Ranch and North Rim Developed Area is not affected by this advisory and water is safe to drink. https://www.nps.gov/grca/learn/news/drinking-water.htm

The National Park Service is lifting a drinking water advisory that was issued on Friday, October 31st for the following areas along the North Kaibab Trail, Manzanita Rest Area (Roaring Springs) and Cottonwood Campground within the backcountry at Grand Canyon National Park. Water in the rest of the park including South Rim Village, Desert View, Indian Garden, Phantom Ranch and North Rim Developed Area continues to be safe to drink. https://www.nps.gov/grca/learn/news/lift-advisory.htm

On Thursday afternoon, hikers reported to a park ranger that a member of their party needed help. https://www.nps.gov/grca/learn/news/bright-angel-fatality.htm

The trail between the El Tovar Hotel and the train depot will close for repairs July 1. https://www.nps.gov/grca/learn/news/el-tovar-walkway-detour.htm

A man who died while hiking the Bright Angel Trail has been identified. https://www.nps.gov/grca/learn/news/bright-angel-trail-fatality-identified.htm

Hiker fatality on Grand Canyon's North Kaibab Trail. https://www.nps.gov/grca/learn/news/north-kaibab-trail-fatality.htm

At 4:05 p.m. on Sunday, September 13 the Grand Canyon Regional Communications Center received a call reporting that an unidentified male was possibly struck by lightning on the South Kaibab Trail. https://www.nps.gov/grca/learn/news/fatality-south-kaibab.htm

On March 16th or 17th, Grand Canyon Railway, in consultation with the National Park Service, will apply herbicide along their railroad tracks. https://www.nps.gov/grca/learn/news/herbicide-application-railroad.htm

On Friday, July 8, 2016 Park Rangers responded to a call from hikers on the South Kaibab Trail reporting a woman who fell from Ooh Aah Point. https://www.nps.gov/grca/learn/news/ooh-aah-point-fatality.htm

At approximately 5 pm on Saturday, January 28, the Grand Canyon Regional Communications Center received a call reporting a man who had fallen from the rim near the South Kaibab trailhead. https://www.nps.gov/grca/learn/news/fall-south-kaibab-trailhead.htm

On Monday, March 27, Grand Canyon National Park will begin daily closures of the North Kaibab Trail at Redwall Bridge to remove debris from a storm-caused rockslide. During this time, rim-to-rim travel will be restricted. https://www.nps.gov/grca/learn/news/north-kaibab-ribbons-falls-temporary-closures.htm

Due to an unanticipated rockslide the National Park Service (NPS) will close the Colorado River Trail between Pipe Creek and the Silver Bridge for trail repair starting Monday, April 3. https://www.nps.gov/grca/learn/news/repairs-close-river-trail.htm

This week, Grand Canyon National Park trail crew was able to repair a section of the Colorado River Trail damaged by a rockslide. The trail between Pipe Creek and Silver Bridge is now open to foot traffic and remains closed to stock use. https://www.nps.gov/grca/learn/news/river-trail-open-to-hikers.htm

The North Kaibab Trail is now open. https://www.nps.gov/grca/learn/news/north-kaibab-trail-open.htm

Grand Canyon National Park will implement closures of the Cape Royal Road, Cape Final Trail, and Cliff Spring Trail tomorrow August 4th, 2018 at 9:00 pm. This closure is for public and firefighter safety as crews continue to prep the Walhalla Plateau. https://www.nps.gov/grca/learn/news/20180803-temporary-road-trail-closures-nr-obi-fire-2270-acres.htm

Grand Canyon National Park has temporarily closed Cape Royal Road. Included in this closure are Cape Final Trail, Cliff Spring Trail, the northern section of the Ken Patrick Trail from Point Imperial to Cape Royal Road, and the southern section of the Ken Patrick Trail from Cape Royal Road to the old Bright Angel Trail. The road to Point Imperial and all other North Rim trails and facilities are open at this time. https://www.nps.gov/grca/learn/news/2018-08-05-north-rim-temporary-road-trail-closures-obi-fire-3350-acres.htm

The Obi Fire is estimated at 7,420 acres. Growth today was primarily in the northern and eastern portions of the fire perimeter. Light southwesterly winds combined with dry, unstable air contributed to the fires growth. Fire behavior was active with isolated tree torching and surface fire of two to four foot flames where the fire was consuming dead logs. https://www.nps.gov/grca/learn/news/2018-08-07-obi-fire-7420-acres-temporary-road-trail-closures-nr.htm

Grand Canyon National Park has implemented new temporary closures for public and firefighter safety. These include the Swamp Ridge Road, the North Bass Trail, and the Powell Plateau Trail. Fire Point, the Nankoweap Trail, and the Point Imperial Trail remain closed. https://www.nps.gov/grca/learn/news/20180810-grca-new-temp-road-trail-closures-obi-fire-8100-acres.htm

As the Obi Fire winds down, temporary road and trail closures will expire on Saturday evening, August 18th, 2018. Some road and trail closures will remain in place due to fires on the neighboring Kaibab National Forest. https://www.nps.gov/grca/learn/news/final-press-release-for-obi-fire.htm

Effective August 21, 2018 Kolb Studio will be closed and a detour will be in place while work is being completed along the Rim Trail. This project will be completed on August 23, 2018. https://www.nps.gov/grca/learn/news/rim-trail-detour-historic-kolb-studio-temporarily-closed-august-21-23-2018.htm

Following a series of breaks in the Transcanyon Waterline earlier this month, Grand Canyon National Park now has enough water in storage to scale back to Level 1 basic water conservation measures. https://www.nps.gov/grca/learn/news/level-1-water-conservation-seasonal-trail-water.htm

On April 3, 2019, Grand Canyon Railway, in consultation with the National Park Service (NPS), will be applying herbicide along the railroad tracks including those within Grand Canyon National Park. https://www.nps.gov/grca/learn/news/grand-canyon-railway-herbicide.htm

Due to water turbidity and maintenance issues, some of the water filling stations and flush toilets normally available along the North Kaibab and Bright Angel Trails at this time of the year will not be open until water conditions change and/or water line repairs are made. https://www.nps.gov/grca/learn/news/backcountry-users-advised-of-changes-to-water-availability-on-north-kaibab-and-bright-angel-trails.htm

Grand Canyon National Park has temporarily instituted closures for the portion of the Ikes Fire Planning Area that is within Grand Canyon National Park. https://www.nps.gov/grca/learn/news/grand-canyon-national-park-implements-temporary-road-and-trail-closures-on-the-north-rim.htm

The Ikes Fire has seen minimal growth over the past 2 days due to multiple rain showers over the fire area. Due to moisture, fire activity has been limited, however, the fire continues to burn within the duff layer of needles, leaf litter, and downed logs along the forest floor. https://www.nps.gov/grca/learn/news/ikes-fire-remains-active-despite-rain-20190810.htm

Grand Canyon National Park backcountry users can seek out shade and an opportunity to rest from the elements at the new Tipoff Shelter along the South Kaibab Trail. https://www.nps.gov/grca/learn/news/south-kaibab-trail-shelter-now-available-2019-11-04.htm

Not only did the patients experience high rates of remission, their cognitive function also showed marked improvement as well.

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Iceland's two whaling companies have cancelled hunting for a second straight year as demand drops and the COVID-19 pandemic poses difficulties.

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Thousands of people have flocked to shopping malls and supermarkets across Adelaide, raising concerns of growing complacency over the coronavirus pandemic.

Wildfires consume existing forest fuels but also leave behind dead shrubs and trees that become fuel to future wildfires. Harvesting firekilled trees is sometimes proposed as an economical approach for reducing future fuels and wildfire severity. Postfire logging, however, is controversial. Some question its fuel reduction benefits and its ecological impacts.

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Increasing concern over the management and harvest of special forest products (SFP) from national forest lands has led to the development of new Forest Service policy directives.

Soil disturbance is a visually apparent result of using heavy equipment to harvest trees. Subsequent consequences for growth of remaining trees, however, are variable and seldom quantified. We measured tree growth 7 and 11 years after thinning of trees in four stands of coast Douglas-fir (Pseudotsuga menziesii var. menziesii (Mirb. Franco)) where soil disturbance was limited by using planned skid trails, usually on dry soils. The three younger stands had responded to nitrogen fertilizer in the 4 years before thinning, but only one stand showed continued response in the subsequent 7- or 11-year period after thinning. The most consistent pattern observed was greater growth of residual trees located next to skid trails. The older stand also showed greater growth in trees located next to skid trails, whereas tillage of skid trails failed to benefit growth of nearby residual trees for the first 7 years after tillage. We conclude that traffic that compacted soil only on one side of residual trees did not reduce growth of nearby trees.

Whitebark pine is a critical component of subalpine ecosystems in western North America, where it contributes to biodiversity and ecosystem function and in some communities is considered a keystone species. Whitebark pine is undergoing rangewide population declines attributed to the combined effects of mountain pine beetle, white pine blister rust, and fire suppression. The restoration and maintenance of whitebark pine populations require an understanding of all aspects of seed fate. In this paper, we review the literature on seed dispersal in whitebark pine. Clark's nutcracker, pine squirrels, and scatter-hoarding rodents are all known to influence whitebark pine seed fate and ultimately affect the ability of whitebark pine populations to regenerate. We also provide a general overview of the natural histories of the most influential species involved with whitebark pine seed fate: Clark's nutcracker and the pine squirrel.