Working on it. There is a lot of flooded coastline, attempts to prevent flooded coastline, and some orbital bombardment damage to North America. The three largest nations on Earth are China, India, and Brazil.
Climate Disaster Recovery:
Introduction of new climate-altering technology from bug ferrets has led to the first stages of terraforming Mars, and a lot of political infighting over the progression of its growing ocean, atmosphere, and magnetic shield. But the prospect of implementing that technology on Earth has been very unpopular, with most of Earth’s global powers focusing on recovery via industrial restructuring.
Earth's global heating event caused the extinction of many organisms, and although there are extensive gene-banks for many of the known losses, reintroduction efforts have been the subject of a lot of controversy among ecologists. For many of the plants and animals that are extinct in the wild, the habitat they once lived in no longer exists, and reintroduction would have to put them in new areas. Critics say that this kind of experimental introduction should not be done on a mass scale to an already fragile biosphere. Other hot issues include concerns about the possible economic and safety risks of reintroducing insects, megafauna, and large predators near populated areas where they may damage agriculture or attack humans.
While reintroduction efforts stall, many zoos have been constructed in orbit of Earth. These structures, partly conservation efforts and partly tourist attractions, draw from genebanks to create huge living dioramas. Some of these ecosystems depict real ecosystems on Earth before industrialization, some resurrect older Pleistocene animals to recreate Earth’s prehistory, and some use genetic engineering and “ecosystem remixing” to depict fantasy ecosystems for the amusement of visitors.
Home system colonization:
Of the inner solar system, Earth, Mars, and their moons are the most heavily colonized. Industry on Venus has been growing post-WW3, though in the past decade it has been seeing the construction of its first residential and tourist "cloud cities." Automated outposts on Mercury are currently being established in Mercury's polar craters as part of a Martian project to beam solar energy to the rest of the inner system.
The asteroid belt is home to some small space station cities and a booming automated mining industry, but most of the outer system's development is in orbit of Jupiter, either on its moons or in space stations like Nexus Jovia.