Four things nations can do to conserve energy
This past week, temperatures in Britain reached a record 40.3 degrees Celsius (104.5 Fahrenheit), capping a brutal heat wave that scorched Europe and sent electricity demand soaring.
It came amid a war in Ukraine that has upended the global energy market.
The energy crunch prompted the European Union executive this past week to ask member states to reduce their gas consumption by 15% from now through next spring as officials prepare for Russia to cut deliveries of natural gas in the coming months.
Here are of some of the things countries could do to curb energy demand, and some of the potential pitfalls:
