Did this fake-letter lobbying effort, and others, sway the vote on the climate bill in the House? Will the same efforts come into play in September in the Senate? And is this an outrage, or just the way Washington works?

Never mind the Green Revolution — the real reason for me commuting to work by bike is much simpler: I’m a cheapskate and cycling saves money.

After nearly 25 years in the computer science and aerospace industries, including a stint at NASA’s Jet Propulsion Laboratory, Doug Caldwell decided to pursue a career-long dream of putting his engineering skills to use for the environment.

A Swiss engineer wants to navigate around the world in a catamaran called “Planet Solar,” powered entirely on the sun’s energy.

In Germany, where many consider their cars sacred and most politicians on both the left and right refuse to consider tampering with the unlimited speed on the Autobahn for fear of hurting the car industry, the leader of the Greens party said it is high time for the country to join the rest of the civilised world and put an upper limit on Autobahn speeds — to cut greenhouse gas emissions.

OK, solar panels are getting cheaper, but can it be possible to get back the $1,000 you invested in home solar in 45 days?

“It has the side effect that it’s environmentally much friendlier,” Kurzweil said at the Fortune Brainstorm: TECH conference in Pasadena, California.

How much ice is needed to raise world sea levels by 1 millimetre? Answer — 390 square kms

For those keeping track, there are five months left before the December meeting in Copenhagen where the world is supposed to agree on how to tackle climate change after crucial aspects of the carbon-capping Kyoto Protocol expire. Before they can agree on anything, they have to have a document to work from, and that’s where [...]

U.S. greenhouse gases rose most sharply since 1990 under President Bill Clinton: is that a problem for Barack Obama?

Tuvalu plans to go green — 100 percent of electricity from solar and wind power by 2020 — in step to show how to slow rising seas.

Just how hot is it going to get?
That’s what everyone wants to know, and the focus of a lot of research. But parsing through the science can present some problems, with plenty of opportunity for mischief.
Aaron Huertas has been in this game for a while, so he figured there might be problems as soon as [...]

The green industry prides itself on innovation, perhaps especially in California, one of the most environmentally progressive states.

Pakistan sets a tree-planting record: can anyone beat it?

Novel uses for “green roofs” in cities include weather stations and bee keeping