1) The novel "To Kill a Mockingbird" by Harper Lee has been translated into more than 40 languages and has sold over 40 million copies worldwide.

2) The global response to climate change includes the Paris Agreement, an international treaty aiming to limit global warming and strengthen countries' efforts to address climate change through mitigation and adaptation strategies.

3) The shortest verse in the Bible is "Jesus wept" (John 11:35).

4) The Great Barrier Reef in Australia is the largest coral reef system in the world and is visible from space.