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21 September, Zero Emissions Day

Everything we do, such as riding in a car, cooking spaghetti, drying our hair or taking a shower consumes some amount of energy and directly or indirectly emits a small amount of gases that contributes to the greenhouse effect. For…

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International Day for the Preservation of the Ozone Layer 2022

Ozone is a gas whose molecule consists of three oxygen atoms (O3), making it different from the oxygen we breathe, which has only two atoms per molecule (O2). Yet ozone is essential for life, because it defends us from the…

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The Arctic is warming up four times faster

The planet is warming due to the greenhouse effect—this is now clear to all of us. What is less well known is that the planet does not warm evenly since there are areas where the temperature rise is greater than…

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Climate and the Earth’s volcanoes

We know that the chief greenhouse gas is carbon dioxide. We also know that the greenhouse effect is the cause of global warming. But where does the carbon dioxide come from? CO2 is a gas that is essential for life.…

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Light in nature

Sunsets, rainbows, shades varying from blue to green in the sea and the immense range of colours of plants and animals are just a few examples of the rich variety of optical phenomena in nature. Our first experiences of light…

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World Meteorological Day 2022

Floods, extreme precipitation, droughts and melting glaciers: many of the major signs of climate change involve water. On this year's World Meteorological Day, the United Nations Meteorological Agency (WMO) is reinforcing the World Water Day message by focusing on the…

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Mal’aria 2022 Dossier

Air pollution emergency in Italy: 2021 was also a "code red" year for many large cities in Italy, due to the high concentrations of fine particulate matter and ozone. The "Mal'aria di città 2022" report, the annual dossier on air…

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Copernicus: 2021 was the 5th warmest year ever recorded

Copernicus, the European satellite monitoring service, has recently published new data on global climate and temperatures, showing that the last seven years have been the hottest on record at global level. In particular, last year ranked 5th, with values slightly…

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Atmospheric methane is turned into fish food

Researchers at Stanford University have studied an innovative process that could partly contribute to reducing atmospheric methane: a system of bioreactors containing bacteria fed with methane taken from the atmosphere, oxygen and other nutrients that can provide a protein food…

 
 
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