A new study has revealed that dinosaurs were killed by a series of changes in the climate and environment such as changing sea levels, varying temperatures and extensive volcanic activity that ultimately created a perfect storm.
As the Intergovernmental Panel on Climate Change (IPCC) drew a grim picture in its latest report on global warming, US Secretary of State John Kerry warned that "the clock is ticking" and asked countries to match the urgency of response with the scale of the science.
The pre-historic legacy of what is now the United States could be redefined thanks to an Indian-born scientist in a New York university who has identified fossils that may be as old as 400 million years through a technique that can benefit many other researchers.
The government agency that oversees Australia`s Great Barrier Reef has given its nod to a plan to dump about 3 million cubic metres of dredged mud on the reef as part of a major coal port expansion , which conservationists say will endanger its fragile ecosystem.
In an attempt to make the world realise what significant roles carnivores play in keeping a balance in our ecosystem, scientists have pointed out the current state of world`s largest and the critical benefits they provide.
Scientists from the Wildlife Conservation Society, the University of Queensland, and Stanford University have produced a roadmap that identifies the world`s most vulnerable and least vulnerable areas in the age of climate change.