future

And speaking at Labour's 2017 conference - the 51st he had attended - he said the party was on the path back to government and had a "really exciting" future.

"Instead of giving them the estimates for temperatures or rainfall at some point in the future, we can give them the water levels."

"The ultimate goal is to try to switch C4 photosynthesis on and, in turn, create more productive and resilient crops for the future."

This breakthrough could pave the way for future vaccines or anti-malaria treatments.

Mortality attributable to air pollution and extreme temperatures is a major concern, and it is expected to heighten in the future.