An epic piece of sand art has appeared on the beach at Morecambe Bay, highlighting seaside litter.
Micro Galleries is bringing its community-enhancing international art project to Europe for the first time.
Sadiq Khan is to introduce a new bus fare which allows Londoners to make a second bus journey for free within one hour.
London's Barbican is hosting a Green Film Festival in May that focuses on climate change, endangered wildlife, community rights and pollution.
Iris by Charlotte Weatherstone – an art installation that will change on contact with air pollution – has been unveiled in Liverpool.