The sun is heating up, and Earth is going to become too hot. I’m not sure on the timeline; might be a few hundred million years. Might be more. It depends on how the atmosphere reacts.
On that timescale we could use a gravitational tractor to fix it, if we insist keeping the planet around.
On that timescale we could use a gravitational tractor to fix it, if we insist keeping the planet around.