The sun will be 10% brighter in 1 billion years, which is enough to evaporate all the oceans. Life will be gone MUCH earlier than that, unless we can terraform

The sun will be 10% brighter in 1 billion years, which is enough to evaporate all the oceans. Life will be gone MUCH earlier than that, unless we can terraform the Earth to not contain all that heat. And that's without any human-created CO2.