Reductions in air pollution have helped warm the planet by cutting down on reflective particles in the atmosphere – but ...

The primary and unequivocal driver of climate change since the 1850−1900 period is the accumulation of greenhouse gases in the atmosphere. Global mean surface warming throughout the 21st century will ...

Where a river begins Features of a river's upper course How waterfalls, gorges and other physical features are formed Wildlife you might find near or in the upper course This resource is suitable ...

A warming ocean affects the global ocean and atmospheric circulation, the cryosphere, global and regional sea levels, oceanic uptake of anthropogenic CO 2, and causes losses in dissolved oxygen and ...