Betts is Chair in Climate Impacts at the University of Exeter and Head of Climate Impacts in the Met Office Hadley Centre with a very informative twitter page.
Helena Gualinga is a 17-year-old indigenous climate activist from the Ecuadorian Amazon who has been fighting against climate change ever since she was a little kid which she documents on her Instagram page.
Carbon Footprint is a website that provides useful tips and tricks to help reduce your individual or business' carbon footprint. It also can calculate your impact!
Nature Climate Change is a fantastic academic resource as it's a monthly peer-reviewed scientific journal covering all aspects of research on climate change.