When did humans start polluting the Earth? | World Economic Forum
2015年2月11日 · The World Economic Forum is an independent international organization committed to improving the state of the world by engaging business, political, academic and other leaders of society to shape global, regional and industry agendas. Incorporated as a not-for-profit foundation in 1971, and headquartered in Geneva, Switzerland, the Forum is tied to no political, partisan or national interests.
This is how plastic pollution causes climate change | World …
2022年1月19日 · On top of this, research suggests that microplastics affect the ability of marine microorganisms to absorb carbon dioxide and release oxygen. At least half of Earth’s oxygen comes from the ocean, mostly produced by plankton. These tiny organisms also capture carbon through photosynthesis, making our ocean a vitally important carbon sink.
Where does space junk come from – and how do we clean it up?
2021年5月5日 · The mass of debris in Earth orbit totals nearly 7 million kilograms. While orbits eventually decay and debris can re-enter and burn up in Earth’s atmosphere, the process can take years. Both satellites and space junk are primarily concentrated in two regions.
How do batteries affect the environment? | World Economic Forum
2015年6月8日 · The World Economic Forum is an independent international organization committed to improving the state of the world by engaging business, political, academic and other leaders of society to shape global, regional and industry agendas. Incorporated as a not-for-profit foundation in 1971, and headquartered in Geneva, Switzerland, the Forum is tied to no political, partisan or national interests.
Pollution: it isn't all bad, in fact it can be pretty useful
2016年11月25日 · This is why a central tenet of the landmark Paris climate agreement, hammered out last December by representatives from 195 countries and effective as of 4 November this year, is to keep global temperature increases well below 2C and if possible, below 1.5C - something that can only be achieved through a significant reduction in the emission of greenhouse gases.
Environmental impact of space debris and how to solve it | World ...
2022年7月13日 · Over the past six decades, about 11,000 satellites have been launched, of which 7,000 remain in space. But that number could swell to the hundreds of thousands by the end of this decade as private companies like Elon Musk’s Starlink and Amazon join China and other nation states in building mega-constellations in Low Earth Orbit (LEO).
How many space launches does it take to have a climate impact?
2021年7月23日 · That may change, as the private sector books an increasing number of flights for space tourists, and potentially starts ferrying miners and factory workers beyond Earth’s atmosphere (two successful commercial voyages to space this month both inspired would-be explorers and prompted some pundits to calculate their carbon footprint).
What is groundwater and how can we better protect it?
2022年8月23日 · Groundwater is water that has found its way down from the Earth’s surface into the cracks and spaces in soil, sand and rock. It is a critical source of drinking water and a key resource for agriculture, industry and natural ecosystems. However, groundwater supplies are under threat from overuse and pollutants.
On Earth Day, a look at how climate change is impacting health
2024年4月22日 · By taking action to mitigate climate change, we can safeguard the well-being of current and future generations and preserve the beauty and diversity of life on Earth. By 2050, climate change will place immense strain on global healthcare systems, causing 14.5 million deaths and $12.5 trillion in economic losses.
3 ways light pollution harms the planet - and what we can do …
2022年6月15日 · 10 pictures from space that'll change your perspective of Earth; This map shows an unlikely source of America's light pollution; Italians stuck at home are measuring light pollution for ‘science on the balcony’