In the long-running culture war between evolution and creationism, Philadelphia is firing the latest shot.

 

Homes are a new arena for LEED ratings, environmental badges of honor usually given to commercial buildings.

 

Low-cost airlines are democratizing European air travel but also pumping greenhouse gases into the atmosphere.

 

Twenty years after turning climate change into breaking news, James E. Hansen will tell a House committee on Monday that it is not too late to defuse what he calls the “global warming time bomb.”

 

The Large Hadron Collider, scheduled to go into operation this fall outside Geneva, is no threat to the Earth or the universe, according to a new safety review.

 

Mr. Galston did early research that helped lead to the herbicide Agent Orange, then helped raise awareness of the military’s use of it in Vietnam.

 

The world’s oceans are filling with bottles, wrappers and other flotsam. Is there anything better to be done than picking it off the beach, one piece at a time?

 

In the long-running culture war between evolution and creationism, Philadelphia is firing the latest shot.

 

Why Jim Rogers says going green can save the energy business.

 

David Pogue has agreed to try an experiment involving his book “Windows Vista: The Missing Manual”: to offer it as part of that buy-the-electronic-versions program.