Web23 feb. 2024 · Our earth is now about 4.55 billion years old with a total surface area of 510.072 million sq km of which 148.94 million sq km is land and 361.132 million sq km (almost 70%) is water. Web29 jun. 2013 · By 1960, 50 years ago, there were 3 billion of us. There are now over 7 billion of us. By 2050, your children, or your children's children, will be living on a planet with at least 9 billion other ...
BBC News - 7 billion people and you: What
Web12 dec. 2024 · Humans are causing life on Earth to vanish. Ecosystems, the fabric of life on which we all depend, are declining rapidly because of human actions. But there is still time to save them. Human pressure on nature has soared since the 1970s. We have been using more and more natural resources, and this has come at a cost. Web20 mrt. 2024 · It is estimated that planet Earth has approximately 8.7 million species. As the rate of extinction has increased, thousands of living species are going extinct without being documented, and their existence will never be known to humans. This is just one of the reasons why it is difficult to estimate the exact number of species that inhabit the ... can i make tomato sauce from diced tomatoes
David Attenborough: The planet can’t cope with …
WebFor most countries, there are around 105 males per 100 female births. This is what the World Health Organization (WHO) estimates as the ‘expected’ sex ratio at birth: in the absence of gender discrimination or interference we’d expect there to be around 105 boys born per 100 girls, although this can range from around 103 to 107 boys per 100 girls. Web2 feb. 2024 · 15,000 to 40,000 Years Ago: Genetics and Fossils Show Homo sapiens Became the Only Surviving Human Species. A facial reconstruction of Homo … Web5 sep. 2024 · This year, the human population on Earth is expected to reach eight billion. To mark the occasion, BBC Future takes a look at one of the most controversial issues of our time. fiu bbc food pantry