A drone that hits a storage tank containing billions of litres of flammable fuel is the best way to get a bang for the buck - especially because there are probably billions of litres more in other nearby tanks. Sound strategy.

It'd be called 'obstructing traffic'. Police sometimes grab boy-racers along the sea-front near my home for it. There's no specific law saying you can't wait at a T-junction indefinitely, and i usually get stuck behind the ones that do. :-(

Yes, it's nonsense. In 2050 if they aren't carbon neutral, they haven't broken any laws so there'll be no punishment. So why not announce lofty goals?

See, you may laugh but the landlord now knows that the water is still flowing, so the cause isn't an area-wide outage or a burst pipe, but instead there's a fault in the system that heats the water.