Two thirds of reef sharks and rays risk extinction: Study

Nearly two thirds of the sharks and rays that live among the world's corals are threatened with extinction, according to new research published Tuesday, with a warning this could further imperil precious reefs.

South Asia's intense heat wave a 'sign of things to come'

The devastating heat wave that has baked India and Pakistan in recent months was made more likely by climate change and is a glimpse of the region's future, international scientists said in a study released Monday.

Over 21% of reptile species at risk of extinction

At least one in five reptile species are threatened with extinction, including more than half of turtles and crocodiles, according to the first major global assessment of the world's so-called cold-blooded creatures.

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