Jan 31, 2012 Voyager: In looking at a world map showing ocean surface currents, it appears that with very few exceptions, currents do not cross the equator. Why is this?

This occurs throughout the year at the Equator, at the summer solstice at the Tropic of Cancer, and at the winter solstice at the Tropic of Capricorn.

Teamwork in the tropics: Pollinators and frugivores are less choosy at the equator Date: September 14, 2012 Source: Senckenberg Research Institute and Natural History Museum Summary: The bright ...

The atmosphere is warming faster in subtropical areas – around 30° north and south of the equator – than anywhere else in the world, according to a study of more than 25 years of satellite ...

The global tropical climate zone is expanding. At the current rate, by 2100 its edge will stretch from Sydney to Perth.

The tropics, as a region, account for 40 per cent of the world’s total surface area and are host to approximately 80 per cent of the world’s biodiversity.

The tropics are expanding at an unprecedented rate. This will have massive implications for societies, economies and the natural world.