One key chemical tool used to control mosquito-spread malaria in the developing world -- DDT -- has harmful environmental consequences. Now a new article in the journal Nature tells of research on chemicals that may promise to be effective mosquito repellants by blocking the insects' ability to detect carbon dioxide.

"Wild animals normally are killed by cancer only in rare cases. But scientists are finding that some deadly cancers in animals--including Quebec's belugas, California sea lions and North Sea flounder--seem to be triggered or accelerated by environmental contaminants."

Until last August, the Swiss-made reusable aluminum bottles that were an eco-icon, were lined with an epoxy containing trace amounts of BPA, which the Canadian federal government considers a toxic substance.

"Illegal fishing is depleting the seas and robbing poor nations in Africa and Asia of resources, but a lack of global cooperation is undermining efforts to track rogue vessels, an environmental group said on Tuesday."

"UN Secretary General Ban Ki-moon is to visit a Norwegian island deep inside the Arctic Circle, near the North Pole, to see firsthand the effects of climate change, his spokeswoman said."

"Paint with dangerously high lead levels is still being sold for household use worldwide, putting hundreds of millions of young children at risk of permanent brain damage," new research shows.

Chinese companies like Suntech are using government subsidies to leap ahead of the U.S. in the solar panel market.

A simple brass plaque in Tarusa, Russia, stands as a reminder of an epic tale of scores of nuclear disasters in the former Soviet Union that were hidden, or never completely reported.

"In an age of angst about security and Arctic sovereignty, it's no mean feat piecing together an oceanographic expedition involving scientists from the United States, Russia and elsewhere and launching the whole affair from a northern U.S. port."

"European police agency Europol expects further arrests in connection with suspected carbon credit tax fraud after Britain's tax office said two more people were arrested in London late on Wednesday, bringing the total to nine."