The large bulk of oil consumption is from transportation, and as laid out in painful detail on SmartPlanet, the drop is not due to greater vehicle efficiency. So what is driving this drop?

One of the first steps in tackling climate change is to curb greenhouse-gas emissions. The trouble is, both the public and policymakers have been slow to act on a problem they cannot physically see.

While the environmentalists and the Olympic planners in London argue over which shade of green is more valuable -- environmental green or greenbacks, ...

Ostara has managed to successfully turn a burdened waste into a resource that is both sustainable and profitable -- an ideal type of innovation that this world could use some more of.

A new report from the World Wildlife Fund shows that China continues to lead the world in clean energy technology manufacturing (cleantech). Denmark t...

Andrew Chung shares his views on the Post Solyndra Era. Will the failure of Solyndra have a significant impact on private sector cleantech investment? How does Chung respond to critics who say that cleantech investment is a disaster?

The Obama administration delayed deciding whether to approve the controversial Keystone XL pipeline. In response, TransCanada Corp. has proposed a different route through Nebraska.

The media should have spent the time to understand that the bankruptcy of Solyndra was about market circumstances that changed faster than anybody has predicted, rather than falling for a manufactured partisan scandal.

While many causes have no doubt contributed to the unrest roiling the Middle East, including technology and envy of Western freedoms, a key factor, John Denniston convincingly shows, is soaring food prices.

The new, fiscally conservative Congress could do what it has committed itself to doing -- cutting wasteful spending -- by starting with arguably the most wasteful spending of all: corporate welfare checks for the highly profitable oil and coal industries.

Partly a consequence of the global financial crisis, unprecedented change in venture capital and the science sector is on the cards. And it has additional consequences too.