Here are the winners and highly commended images from the 2019 Comedy Wildlife Photography Awards.

In an effort to combat pollution, China is building 'forest cities' and people will be moving into the first one in about 2 years.

Complaints of sidewalk excrement have become so frequent that the city has established a team dedicated to clearing away number twos.

Despite an uptick in public spending, 30% of city residents live more than a 10-minute walk from the nearest park, according to the 2018 City Park Facts report.

Plucking litter from canals while sightseeing is one of the more singular ways to spend a couple hours in the Dutch city.

How do you squeeze a fancy new 407-acre state park into Brooklyn? Look no further than two former landfills on Jamaica Bay.

Austria's capital ranks high in everything from walkability to affordability.

Migration forecasts developed by researchers at Cornell University help cities and building owners determine the best time to flip the switch.

Critics of the Via Verde project in Mexico City argue that making a busy beltway more aesthetically pleasing only encourages motorists to keep driving.

After every attempt to catch an otter fails, officials are forced to move the fish out of a Vancouver pond.

A new report from the Health Effects Institute says are breathing air that's considered unsafe by the World Health Organization.

A new retrospective study finds that 1980s-era cleanup of Boston Harbor was well worth it from a return on investment standpoint.

New research shows that urban green space largely benefits the wealthy and educated, not the underserved communities that need it most.

As their habitats give way to sprawling human developments, more and more animals are being forced into cities and suburbs.

The 'Vessel' is massive collection of stairs located in New York City's newest development — Hudson Yards.

Dubbed 'the smartest park ever built,' the Public Square and Gardens at Hudson Yards is now open for visitors.

The Salmon Cove home was built with the environment in mind.

The office is the highest scoring LEED-NC version 2009 project in the Northern Hemisphere.

As LEED for Homes surpasses a significant milestone, the New York Times singles out one area where there's a near-absence of USGBC-approved residences: Westches

After the nation's largest deep energy retrofit, the Castle Square Apartments in Boston's South End achieves LEED Platinum status.

Speaking at a sustainability and design conference in Atlanta, LEED pioneer Rob Watson explains that 'there are good buildings, and there are bad buildings.'

This California hotel that our food blogger stayed goes beyond LEED certification in its sustainability initiatives.

As Make It Right inches toward the finish line in New Orleans, the housing nonprofit unveils 5 designs that address overcrowding at Fort Peck Reservation.

This isn't your grandfather's vegetation-topped, solar-powered, vegan pulled pork sandwich-selling football stadium.

The palatial Beaux-Arts beauty completed in 1915 is named the oldest LEED Platinum building.

This 60-second video is like watching everyone's lives flash before your eyes.

The Earth's globally-perceptible seismic 'hum' is now being used to peer into its depths, shedding new light on the planet's inner layers.

Filmmaker Mark Kitchell talks to MNN about the need to understand the birth and life of the green movement in the U.S.

Global survival game places you in a biodiverse world that rises or falls based on how you protect or abuse its resources.

Researchers say the giant tsunami occured in the Cape Verde Islands 73,000 years ago.

Researchers say the beautiful new flame, inspired by fire tornadoes, may provide an eco-friendly way to clean up oil spills.

Unexplained natural phenomena, which is regularly observed in the aftermath of quakes, occurred during last week's 7.8 magnitude earthquake.

Soil organisms play a critical role in influencing a naturally occurring phenomenon known as "tree migration," say University of Tennessee researchers.

Storm-chaser Mike Olbinski recorded this illuminated wave of 'undulatus asperatus' clouds in North Dakota.

How the Sahara Desert both contributes to and checks the formation of big hurricanes.

Plants have a specialized form of communication to compensate for their inability to move, a PLOS One study finds.

Animals use the same wait-your-turn system that most humans do, say scientists who reviewed a series of animal studies.

Urban noise — and AC/DC — may be wreaking havoc on ecosystems.

Researchers have managed to pinpoint the time you're most likely to meet a spider.

A drone has found a vast catshark nursery on the seafloor west of Ireland, say scientists with the SeaRover survey.

The extremely rare South Pacific island is one of three new islands to form in the last 150 years.

Wood that bounces sunlight back into the atmosphere could be a game-changer for buildings.

​Nearly 10 percent of rocky surfaces on the island paradise of Madeira are covered in 'plasticrust.'

Scientists complete the first-ever genome sequence of the deepest-living animal on Earth.

Obama's energy policy will be pretty corny, which could be bad for soybeans. Could we turn to air force for power? And should we take time to reflect on global

The oil bubble bursts as Brazil and Hawaii say "yes we cane" to ethanol. Also: saving elephants by buying ivory, saving trees by using paper, and saving endange

Fueled by denatured ethanol, the EcoSmart Fire is a clean, green alternative to traditional fireplaces.

The rainforest as a living machine, is quite possibly the most sophisticated technology on the planet.

Twenty-three different groups want the government take more time to study the issue.

MNN offers a graphical tribute to a gifted grain — corn — in all its many uses.