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

If it meets the goal, the Exploratorium in San Francisco will be the largest net-zero energy use museum in the nation.

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

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

New report calls for less damage in the development of biofuels.

Political ideology doesn't matter in the Senate when it comes to ethanol subsidies. Unless your senator comes from a corn state, chances are he or she voted aga

Get daily reminders about your carbon footprint and IE will plant a tree of your choice.

If a celebrity endorsement gets kids using a phone app that prevents on-the-road texting, emailing and phone use, who am I to complain? But, for the record, Jus

Avis acquires zipcar, but what does it really mean?

mexico city public transit

Car2Go is now the world's largest service, with a million members and a new outpost in Brooklyn.

Seen at the Geneva Motor Show, this green family hauler doubles as an office.

These plug-in supercars are big on sex appeal and horsepower — but you've never heard of the companies that make them.

Proterra's new Catalyst is a lightweight, energy-efficient marvel with six times the efficiency of diesel.

And no, we won't be able to use ringtones. (There will likely be standardized noises.)

Tesla is a tempting target, and NextEV has deep pockets.

Environmentalist Peter Bahouth shares the inspiration behind Atlanta's most leafy and lovely Airbnb listing.

Bjarke attack! The Danish maverick is the subject of a climate-themed retrospective at the National Building Museum.

Co-owned by a quartet of couples, Llano Exit Strategy blends communal living and rural solitude.

Resilient design is showcased in competing homes hailing from New York, New Jersey and Missouri.

Berlin startup Cabin Spacey has a clever idea for the city's unused rooftops.

When people see animals everywhere in pop culture, they assume they're everywhere in real life.

Many well-known bird species are in danger of going extinct, according to the State of the World’s Birds 2018 report.

Habitat loss and climate change have pushed the antechinus, a marsupial that looks like a small shrew, to the brink. And their sex lives don't help.

This Guam kingfisher chick is one of the rarest birds in the world.

The Sisters of the Monastery of the Dominican of Order have cared for the rare salamanders for 150 years.

This year's winning travel image from the Nat Geo contest features the beautiful tail of an endangered humpback whale calf.

International Union for Conservation of Nature has updated its Red List, and the news isn't good for Australia's reptiles.

The elusive Bahama nuthatch was found in limited numbers on the island Grand Bahama amid concerns it had been wiped out in 2016.

Brazil's once-expansive Atlantic Forest has now almost completely disappeared.

19 of the 450 remaining whales died from 2017-2018, pushing the species even closer to the edge of extinction.

The rediscovery of this hibiscus relative in Hawaii illustrates the growing importance of drones in wildlife conservation.

Furor has erupted over the new 10:10 UK campaign video involving a school teacher who asks her children what they are doing for climate change and then blows up

Need climate change data defined in simpler terms? It doesn't get any easier to understand than this.

Watch out, IKEA: Walmart jumps on the affordable LED train with the release of a line of light bulbs. Prices start at less than $10.

Actor Ian Somerhalder sings the praises of an innovative new light bulb.

Get the skinny on SlimStyle, Philips' latest LED bulb release that boasts a svelte profile and a price tag that's anticipated to be highly competitive.

After a drubbing in the media, the formerly popular brand is making amends.

Modular carpeting behemoth Interface expands a coastal cleanup/recycling initiative that benefits impoverished fishing communities in the Philippines.

Photographer's exploration of the beauty of man-made illumination around the world reflects humankind's dominance over the planet.

Time-lapse artists and filmmakers Gavin Heffernan and Harun Mehmedinović traveled North America and photographed the impact of light pollution in ‘SKYGLOW.’

Cookbook sales are still strong, but as more cooks embrace websites and apps, cookbooks could be in danger of going the way of other print mediums.

It's hard to sift through all the free cookbooks, home improvement and other books that Amazon offers for the Kindle for free - especially when many of them are

A new study shows that using your phone while you're en route affects your posture.

Talk about blowing things way out of proportion.

At the end of 2009, electric cars connected to smart grids have become inevitable. Get used to the idea of plugging in before hitting the road. It won't be so b

9 dying professions being kept alive by dedicated diehards

Don't just sit at your desk. Find ways to get up and move throughout the day.

Judging workers' value by time spent at a desk hurts working moms — and companies' bottom lines. Flex time could fix it.

One San Francisco-based tech company is offering a $10K option to those who move away from the city.