Toxic algal blooms have turned the UK’s largest lake green, but new research reveals that its problems began thousands of years ago – and reforestation could offer a solution
From warming ocean depths and gold-rich volcanoes to youthful populations and pollution-producing trees, we round up some of the latest geographical research
A single beach with 1,000 visitors can accumulate more than 35kg of sunscreen deposits each day - scientists call for more research into sunscreen's impacts