Climate change has already made tropical oceans too hot for some marine species to survive. As they flee towards the poles, the implications for ecosystems and human livelihoods will be profound.
An ecologist describes her field research and work on the impact of human activity on birds and their pathogens, which has taken her from Alaska to the Gulf of Guinea.
A disease suspected to be monkeypox is on the rampage in Nigeria. In less than one month, it has spread to seven of the country’s 36 states and infected 31 people.
Imagine the Earth pulling everything it is made up of, all of its mass, towards its centre. This happens evenly all over the Earth, causing it to take on a round shape.
Forests and savannas are expected to be strongly affected in the coming decades by changing rainfall patterns. But land use will also have a major impact.
The global tropical climate zone is expanding. At the current rate, by 2100 its edge will stretch from Sydney to Perth.
The tropics are expanding at an unprecedented rate. This will have massive implications for societies, economies and the natural world.