A new report suggests the shipping industry is likely to emit more carbon dioxide in the coming years. Analysts say emissions rise by up to 250 percent.
While parts of Kenya are becoming drier, a growing number of people are starting to keep camels. The animals are more drought-resistant than cows - and their highly nutritious milk is catching on around the world.
Some people are skeptical that human activity is driving global warming. We take a look at the most common arguments used by climate deniers, and set the record straight.
Researchers in Australia are turning to cloud-brightening technology in a bid to save the Great Barrier Reef. But they warn it will only buy time, and we must reduce carbon emissions.
Across the Alps, glaciers have lost half their volume since 1900. And there is no letting up: Melting has accelerated since 1980. Most Alpine glaciers will be gone by the end of this century, scientists say.
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