Planetary management


Humans are altering the planet’s biogeochemical cycles in a largely unregulated way with limited knowledge of the consequences.[4] Without steps to effectively manage the Earth system – the planet’s physical, chemical, biological and social components – it is likely there

Physical evidence

Humans have always altered their environment. The advent of agriculture around 10000 years ago led to a radical change in land use that still continues. But, the relatively small human population had little impact on a global scale until the

Causes of global change

In the past, the main drivers of global change have been solar variation, plate tectonics, volcanism, proliferation and abatement of life, meteorite impact, resource depletion, changes in Earth’s orbit around the sun and changes in the tilt of Earth on

History of research

In 1980, a group of scientists led by Swedish meteorologist Bert Bolin set up an international programme, the World Climate Research Programme (WCRP), to determine whether the climate was changing, whether climate could be predicted and whether humans were in