The US accounts for 20% of global air pollution, making it the largest contributor to increased greenhouse effect (2007)
How has the Earth’s climate evolved?
The Earth’s climate as we know it today is a rarity. Over a long period of time, 10% of the time with a climate like today, 10% with a two kilometer thick ice (ice age), and 80% of the time we have tundra landscape like Siberia.
How has the average temperature changed?
80 million years ago, the average temperature was 7-8 C degrees warmer than today, where we have an average temperature of 15 C degrees. The CO2 content of the atmosphere was 5-50 times higher than today.
Is the weather best on weekends or weekdays?
Researchers have now shown that there may be some truth to the complaints that the weather is always worse on weekends than on weekdays. In the US, 22% more rain has been measured than on Mondays. Pollution is thought to be to blame.
Coldest and warmest temperature?
The highest temperature ever recorded in Alaska is 38 degrees Celsius (Fort Yukon, June 27, 1915), while the coldest temperature was measured on July 21, 1983 at -89.2°C at the Vostok base in Antarctica.
How many Lego bricks does it take to build a tower to the moon?
It would take 40.5 billion LEGO bricks to build a tower to the moon.
When is the sun closest to the earth?
The sun is slightly closer to the Earth in winter because the Earth’s orbit around the sun is elliptical.
The news of the origin of life
If the news of the emergence of life on Earth 3 billion years ago had been immediately sent out into the universe at the speed of light, it would not yet have traveled more than 1/3 of the distance to the most distant galaxies in the universe.
How much water is there in the world?
If the water in all of Earth’s oceans was filled into ordinary water pipes, this pipe system would reach 10-15 times around the Milky Way.
