Outbreaks of the sometimes-fatal West Nile virus across the United States have intensified, making this one of the worst years for the mosquito-borne disease.
The very real problem of global warming is leaving its mark upon the U.S. this summer as scorching heat plagues most of the country
Sealing - a grotesque business that involves killing seals for both their fur and meat - may soon see its last days in Canada.
Methane, a greenhouse gas 20 times more powerful than carbon dioxide, has been found by scientists in deadly, bubbling plumes on the surface of the Arctic Ocean.
2011 is, so far, the world's tenth warmest year on record, despite the warming being masked by cooling La Nina conditions.
Even on some of the decisions agreed to in Cancun, many crucial details were postponed at least until next year's round of negotiations, but Ban Ki-moon says it's better than nothing.
The right denies the problem of global warming; the New York Times complains that Congress isn't doing enough to meet the threat. So is global warming getting worse or not?
Pakistanis continue to face humanitarian hardships and large portions of the country's southern province of Sindh remain under water three months after severe flooding.
Reports out of Pakistan now indicate that about 1,500 people have lost their lives and tens of thousands have been left homeless.
The First World People's Conference on Climate Change and the Rights of Mother Earth took place April 19-22 near Cochabamba, Bolivia.