What is special about the world in 2040?

In 2040, the elevator to the first universe nearly completed, people will launch the second manned spacecraft to bring people to settle on Mars, the number of Internet-connected devices reached 173,987,427,000 . Beside the successes and outstanding progress in science and technology, people also face many other problems such as: the world population will reach 9,157,230,000 people, climate change will continue to increase, people will not be able to live in some places in the Middle East and Africa due to extreme temperatures, scarcity of food .

1. What happens when the Earth falls into a black hole?
2. How bad is the Earth after 1 billion years?