Millions of black 'shade balls' float on the surface of reservoirs, slowing evaporation.

First comprehensive study on climate mortality released today at COP16 projects rapidly increasing death toll especially among children due to the impacts of cl

The number is probably much, much lower than you think.

Buried thousands of feet under Summit, the highest point on Greenland's ice sheet, is a soil born before humans ever walked on Earth.

A musician shows us how to make a symphony from a dandelion.

The controversial installation will cover sections of the Arkansas River with miles of silver fabric.

If you can't beat them, eat them — that's what Jamaica and Florida are doing with lionfish, and there’s been a big drop in sightings of this invasive species.

Fiat offers loaner bikes to drivers in need, the Atlantic ocean gets its own garbage patch, and researchers find a massive oil plume lurking beneath the Gulf of

Peter Tabichi, a teacher in remote Kenya who has been giving most of his salary to the poor, became the first African to win the Global Teacher Prize.

U.S. landowners voluntarily protect more land (and water) than all national parks in the lower 48 states, a new census shows.

When investors spend billions on baby boomer housing, is this smart money or is it missing the demographic boat?

Gift will help support farmers market and healthy bodega programs; Newark Mayor Cory Booker speaks at the launch event.

Despite lawsuits, the DOE awards the all-electric auto manufacturer its first big government loan.

Two groups have received $80 million in funding from the ARRA for advanced biofuels research.

The U.S. Department of Energy has announced the 20 communities that will receive $60 million in Energy Efficiency and Conservation Block Grants.

The U.S. Department of Energy recently awarded $24 million to three algal biofuels research projects.

DOE Recovery Act awards continue with the recent announcement of $92 million in funding for energy research programs.

The Department of Energy has awarded $188 million to small businesses in 34 states to spur clean energy innovation, job creation and more.

Sandia National Laboratories is investing $8.5 million in four projects that are part of the Solar Energy Grid Integration Systems (SEGIS) program.

A new report from The Pew Charitable Trusts reveals that the federal government spent about $25 billion in the energy sector in 2009.

The Department of Energy announced $5 million in funding for five wind energy projects.

The U.S. Department of Energy awards $57 million to 33 small business projects.

The DOE has awarded $5 million for offshore wind energy facilities and renewable ocean energy projects.

The U.S. Department of Energy will guarantee a $1.45 billion loan for the Abengoa Solar Solana project in the Arizona desert.

Turbine sites in Delaware, Maryland, New Jersey and Virginia identified as prime parcels for projects.

The fourth round of ARPA-E funding totals $130 million for five different program areas.

The U.S. Department of Energy will provide more than $11 million to support eight geothermal energy projects.

Newman’s Own gives all of its profits to charity, like the one giving people in Ghana and India reliable access to clean water.

The winds and waves of Hurricane Sandy spilled enough sewage to match BP's oil spill more than 50 times over.

Study finds U.S. and Canada have lost 29% of birds in past 50 years.

Conservation group Lion Guardians has helped East Africa’s Masai tribesmen bring back the big cats and better their own lives.

Walmart has committed to produce or procure 7 billion kWh of renewable energy globally by Dec 31, 2020.

Two guys peddled the idea of making money with renewable energy and biochar but ultimately ended up just taking their investors for millions.

Russian tycoon Dmitry Itskov says the technology will be a reality by 2045.

U.N. task force looks at turning one big problem into an energy resource.

Bill Gates, Mark Zuckerberg and other billionaires have announced a new private coalition to help fund development of nascent sustainable technologies.

Advanced methane capture could make a significant dent in U.S. energy demand.

Watch what happens when an eager young lion cub gets in too deep (literally) while dining on a freshly killed buffalo.

These are the best preserved specimens of this extinct Arctic lion ever found.

New fossil reminds us of the bizarre life that once inhabited our planet.

These invasive species are wreaking havoc on reefs and the fish that live amongst the coral.

Greenland's ice sheet is melting so fast it lost 11 billion tons of ice in just a day.

The practice was standard until public backlash forced them to change course.

Green Packaging: Eliminating 20 Million Pounds of Waste

The Crescent Corridor: Save 100 Million Gallons of Fuel

The former vice president has benefited from sustainable investments, Silicon Valley leadership and the sale of Current TV.

A new study finds some marine animals are brilliant virus exterminators.

Cornfields without bats are infested by nearly 60 percent more moth larvae, researchers say.

By giving away free bananas in Seattle, Amazon is disrupting local businesses.

This revolution isn't being led by baby boomers, but they are a big part of it.