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19 de out. de 2023 · Production increased exponentially, from 2.3 million tons in 1950 to 448 million tons by 2015. Production is expected to double by 2050. Every year, about 8 million tons of plastic waste escapes into the oceans from coastal nations. That’s the equivalent of setting five garbage bags full of trash on every foot of coastline around the world.
18 de nov. de 2016 · Illuminating the answers to these questions is the goal of the more than 100 infographics that comprise What’s Really Happening to Our Planet, British environmentalist Tony Juniper’s latest book. What’s Really Happening to Our Planet clearly shows that climate change didn’t appear out of thin air, and agricultural challenges didn’t ...
Water covers 70% of our planet, and it is easy to think that it will always be plentiful. However, freshwater—the stuff we drink, bathe in, irrigate our farm fields with—is incredibly rare. Only 3% of the world’s water is fresh water, and two-thirds of that is tucked away in frozen glaciers or otherwise unavailable for our use. As a result, some 1.1 billion people worldwide lack access ...
Why is the Sun's corona so much hotter than the Sun's surface? (more unsolved problems in astronomy) The temperature of the photosphere is approximately 6,000 K, whereas the temperature of the corona reaches 1,000,000–2,000,000 K. The high temperature of the corona shows that it is heated by something other than direct heat conduction from the photosphere. It is thought that the energy ...
Globally, we deforest around ten million hectares of forest every year.11 That’s an area the size of Portugal every year. Around half of this deforestation is offset by regrowing forests, so overall, we lose around five million hectares each year. Nearly all — 95% — of this deforestation occurs in the tropics.
7 de abr. de 2021 · A: Global warming occurs when carbon dioxide (CO 2) and other air pollutants collect in the atmosphere and absorb sunlight and solar radiation that have bounced off the earth’s surface. Normally ...
