I wrote the first article on Gatorade, for The Miami Herald, on Nov. 30, 1966. In his typically unaffected fashion, Dr. J. Robert Cade was astonished about the fuss.

  Driven by renewed investment as oil prices push $100 a barrel, scores of scientists around the world are racing to turn algae into a commercially viable energy source.

  City officials said that all of San Francisco?s 1,500 diesel vehicles are now powered by biodiesel, a clean-burning and renewable fuel.

  Dozens of bird species in New York are being pushed toward extinction by relentless sprawl, invasive species and global warming.

  A new report says the country is brimming with opportunities to reduce carbon dioxide emissions, while saving money at the same time.

  Other than the hellish heat, a crushing carbon dioxide atmosphere and corrosive clouds of sulfuric acid, Venus is a lot like Earth, scientists said.

  A report warns that progress toward prosperity in the world?s poorest regions will be reversed unless rich countries promptly begin curbing emissions linked to global warming.

  A deal in Congress to set significantly higher fuel economy standards for cars and light trucks could come this week, say those following the negotiations.

  Chinese officials overseeing the Three Gorges Dam defended the project?s environmental record on Tuesday.

  The Fish and Wildlife Service reversed seven rulings that denied increased protection for endangered species, after an inquiry found that the actions had been tainted by political pressure.

  Ralph Holloway is widely regarded as a leading expert on the evolution of the human brain, even by many who have disagreed with his more controversial conclusions.

  Jessica Snyder Sachs?s capable overview of the global war on germs could hardly be more timely even if it did not call to mind a variety of other recent headlines.

  Sometimes the will to help is what matters, even if the remedy isn?t perfect.

  Scientists are hoping to create more forests in California and other parts of the world.