The World Cities Culture Forums' ranking of member cities with the highest and lowest percentages of urban parkland doesn't come without surprises.

Woodland hawks, attracted by the songbirds that love backyard feeders, are thriving in cities.

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

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

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

Environmentally-friendly practices aren't just for new buildings anymore. Their existing – and, in some cases, elderly – counterparts are catching on, too.

In collaboration with the Make It Right foundation and William McDonough, the green prefab powerhouse debuts a LEED Platinum home starting at $179,000.

Once considered a dead zone for green building, Miami Beach will soon be getting its first LEED Platinum home in the form of 2020 Alton Road, a super-sleek, sup

Application deadline for the 2012 Affordable Green Neighborhoods Grant Program is Aug. 10, 2012.

The U.S. Green Building Council's LEED certification program reaches a new milestone.

Tour a LEED Platinum certified denim factory. The VDS Group factory in Bangladesh received LEED Platinum certification.

Attractive but not arresting in appearance, the Paradigm series of green prefabs from Seattle's Method Homes has the potential to achieve recognition from the w

If I had to work in an office, Cuningham Group Architecture's Hayden Place would be my dream green workplace.

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

It's amazing how closely the powerful swirls of a hurricane match the Fibonacci sequence.

From curious kid to giving back, to advisor to Apple computers, Jackson shares her path to leadership.

You can make a difference for environmental science while traveling, whether you're going to the beach, visiting a park or sticking to cities.

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.

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

The Danes are helping kick-start Colorado's green energy economy.

Sens. Grassley and Conrad introduce the Green Jobs Act of 2010, which will extend biofuel tax credits for producers.

Energy policy has become a local issue, prompting serious debates in races across the nation.

Probably not, but one enthusiast is organizing a petition to make the social networking site consider the idea.

7 great ways to spend the time and spread the message of Earth Hour with your kids. On Saturday, March 26, 2011, governments, businesses, residential homes, and

Kenaf, the carbon-sequestering monster plant, provides food, shelter and carbon credits.

Maybe carbon offsetting isn't as fool-proofed as many businesses would like people to believe.

As demand for carbon accounting heats up, start-up software companies vie for the lead position. Over 50 new companies (and counting) have entered the race.

Green Shipping lets businesses and individuals measure and offset the CO2 emissions of packages when using UPS, FedEx or the U.S. Postal Service.

European carbon market comes to a screeching halt after hackers use a phishing scheme to steal $4 million in emissions credits.

Type in your destination, and Cost2drive figures out your gas costs and CO2 emissions.

Studies show that drivers older than 85 get into fatal accidents almost 4 times as often as teens do, and intersections are a problem.

OK, the sound is more like "eeeeeee," but it's still exciting international action, and it's coming to the U.S. in March.

These guys aren't shy about taking on Tesla, but first they need to ramp up the factory for this 1,088-horsepower, 200 mph electric from Croatia.

Tesla Motors gets some high-powered competition.

Rimac's Concept One is a $936,000 supercar made in Croatia, and only 8 will be built.

Automaker networks are vulnerable to guys with laptops, and it's not an isolated problem.

Electric carmakers need more cobalt for their lithium-ion batteries. Tiny Cobalt, Ontario, aims to become a sizable supplier.

Rescuers spent months nursing a paralyzed leopard until the day he stood on his own paws.

It's a little bit Ewokian, a little bit New Urbanist and a whole lot intriguing.

Despite its petite size, Bi(h)OME carves out ample room for urban wildlife.

James Furzer's simple design is still situated on the streets — yet lifted slightly above them.

Despite inherent flaws, House in the Tree is a fanciful fir-based escape.

The Design Museum's recognition of IKEA's Better Shelter for refugees couldn't come at a more appropriate time.

It's a handsome, pared-down design, but where are the wheels?

Located in the rural town of Brumunddal in Norway, Mjøsa Tower nabs the title of world's tallest wooden building.

There were once less than 1,000 of them left in Mexico and the U.S.

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.

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