Cars are an essential part of life for many people, but new petrol and diesel cars will be banned from sale in 2030 to help reduce greenhouse gas emissions. Electric cards are selling fast, but are not without controversy.

Justin Rowlatt, Michelle Ackerley and Dr Tara Shine investigate if it will be possible to heat British homes with green alternatives to boilers and build an entirely low-carbon electricity network before the government's net zero target of 2050.

Holidays abroad are an essential part of life for many of us. Cheap flights have helped millions of us travel to the sun. But the planes we fly on emit huge amounts of greenhouse gases, so the aviation industry is developing new ideas to reduce emissions with technologies such as new fuels and battery-powered planes.