The transition to an economy based on renewable energy and electric cars needs huge quantities of materials like copper and rare earth metals. Sourcing them can be a problem.

Renewable energy – powering a safer and prosperous future. Energy is at the heart of the climate challenge – and key to the solution. Most of the greenhouse gases that trap heat in the Earth's atmosphere come from burning fossil fuels to produce energy, mainly for electricity and heat.

Renewable energy sources are growing quickly and will play a vital role in tackling climate change.