Protection of the EnvironmentЗавантажити презентацію
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Since ancient times Nature has served man, being the source of his life. For thousands of years people lived in harmony with environment and it seemed to them that natural riches were unlimited. But with the development of civilization man’s interference in nature began to increace.
Every year world industry pollutes the atmosphere with about 1000 million tons of dust and other things. As a result some rare species of animals, birds, fish and plants disappear forever.
Large cities with thousands of smoky industrial enterprises appear all over the world today. The by-products of their activity pollute the air we breathe, the water we drink, the land we grow vegetables.
Cement production causes 7 per cent of our carbon dioxide emissions. The cement used today could be replaced by geopolymer cement, made of the fly ash from coal power plants and steel factories. Geopolymer cement would produce 5 or 10 times less carbon dioxide
So, you think, you known all there is to climate mission? It is time to introduce some creative ways to fight it!
Light-colored stones reflect solar radiation back to space. Many plants with shiny leavers can do the same
Recycling one ton of paper saves the equivalent of 17 trees, and saves enough energy to power an average home for six months.
Ants can carry an object over 10 times their own body weight. These small workers of forests are definitely sweating for storing carbon into their nests
Jet planes produce condensation trails. During night-time, they can heat our planet dozens of times more than the carbon dioxide produced by the same flight at daytime. During daytime, contrails have a slight cooling impact. Avoid fling at night or late in the evening
Coral polyps and plankton both produce a natural sulphur compound known as dimethylsulphide (DMS). The smell which we all known a smell of the sea comes from DMS. It also produces clouds that cool the planet. Support organizations that work to protect coral reefs