At the Copenhagen global warming talks, high-level delegations have arrived to kick negotiations into high gear. But the question of money to help poorer nations grapple with the effects of climate change remains a sticking point.
A new beluga whale calf is seen at Chicago's Shedd Aquarium on Tuesday. His mother Puiji gave birth to the whale head first, which is rare for beluga whales who are usually born tail first. The baby beluga is 162 pounds and five feet, four inches long.
Postponing hard decisions about the fight against global warming will only make an already tragic predicament worse.
President Obama called for more incentives for home energy-efficiency upgrades Tuesday, as a way to boost job-creation and cut energy costs. Green retrofitting of homes is on the rise in the US.
President Obama's stop at Home Depot shows that if 'cash for caulkers' is going to get off the ground, the government has to get at least three groups to buy in.
A Shortfin Mako shark is found worldwide and is one of the fastest sharks, clocked at over 40 miles per hour.
When renovating an old house in an environmentally friendly way, what are the roofing options?
In the Pacific, jumbo squid have moved to new waters, signaling changes in the ocean, scientists observe.
Parliamentary report in Australia shows 700,000 coastal homes may be at risk if global warming continues and sea levels rise. Local conflicts are brewing over residents who want to build seawalls and town planners who want to move houses away from Australia's beaches.