Typical Guardian fluffy logic. Long on theoretical solutions, short on practicality, the kind of logic privileged Westerners are so fond of.
The only way to deal with exercise heat is to redesign buildings, living and work environments to cope with the heat.
Climate alarmists always pretend that human beings haven't seen such events and learned to adapt to them. They have, the important thing is learn from the past, not blame everything on CO2 warming.
The only way to cope with a warming climate is to expend lots more energy in the near term handle the changes in the future, and if you are going to avoid CO2, nuclear is the way forward or something better comes up,
The Green Energy plan is mostly bogus, and that is easy to tell from the kind of companies which have jumped on the bandwagon seeing as leopards don't change their spots.
https://www.youtube.com/watch?v=Zk11vI-7czE