Science

Freshwater supplies have already seriously declined in 19 global hotspots - from China to the Caspian Sea - due to overuse, groundbreaking study shows

New rankings reveal carbon impact of diets around the world, as beef consumption pushes Argentina to worldwide top spot for most polluting plates

Carbon emissions from tourism - including flights, food and shopping - is four times higher than we thought, new research reveals

Pollutants can increase stress levels, which in turn affects judgment and makes some people more likely to commit crime

Greenhouse gas emissions associated with UK consumption rose fractionally in 2015, latest available government data shows

Thérèse Coffey to announce £200,000 of funding to support work to explore impact of micro plastic threads from clothes and tyres on marine habitats

Efforts to cut carbon dioxide set to usher in radically cleaner air by mid-century

Department for International Development pledges to provide up to £250m over four years to help tackle marine plastic and illegal wildlife trade

Survey on eco-concerns shows older people more worried about plastic waste, while younger people cite global warming as top green challenge

UN climate secretariat says funding commitment comes at 'a critical time' given level of outstanding contributions from governments