Gleaming pipe sculpture could use solar power to desalinate up to 4.5 billion litres of drinking water every year
Visitors to the seafront in Santa Monica could one day see a shining sculpture made from solar panels as they look out onto the horizon, as a huge energy array provides power that enables water desalination...
Mike Turner of the Paper Cup Alliance calls on coffee chains to launch a brand blind 'cup amnesty' to get more cups to recycling plants
ASDA, Lidl, Tesco and Waitrose among more than 40 of the UK's biggest food and drink firms backing new pledge to eliminate unnecessary single-use plastics
'I believe in building a better future for our children, which requires offering them a planet that is still habitable in 25 years,' French president tells Congress, to rapturous applause
Ministers aim to make UK an AI research hot spot as clean tech firms seek to exploit machine learning opportunities