The environmental impact of the foods we eat can be tricky to track. But now, researchers in the UK have developed a system to estimate the impact of 57,000 food products in the UK and Ireland! And we are gaining insights into the...

If you compare precipitation around the world with population distribution we can understand a simple but powerful pattern of human geography: where there is water, there are people. But it gets a little more complicated because where...

Freshwater seems abundant, but when accounting for all the water on Earth, it's in limited supply. Just three percent of the water on our planet is freshwater. A majority of this water, about two percent of the world total, is...