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Definition: It is a long-term shifts in temperatures and weather patterns. These shifts could be natural or artificial.

In 1896, Swedish scientist Svante Arrhenius first predicted that changes in atmospheric carbon dioxide levels could substantially alter the surface temperature through the greenhouse effect.

Since the 1990s, the climate change was popularized and scientific research on climate change has included multiple disciplines.

https://youtu.be/QlQ-MEZgRGY

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In this Padlet we can find:

Industrial Pollution

Agriculture Pollution

Transportation Pollution

Deforestation

Desertification

Waste (plastic, oil, electronic)

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https://youtu.be/3y7jKepfrYs

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Industrial pollution is due to the discharges of toxic substances into water, soil and air.  The toxins discharged from the industry into the atmosphere modify the chemical composition of the atmospheric air which contains a smaller quantity of oxygen and a greater quantity of carbon dioxide with enormous damage for breathing. Around the world, hundreds of millions of tons of various chemicals are released into the atmosphere, resulting in an increase in lung diseases and cancers.

Link:https://pixabay.com/it/videos/il-carbone-marrone-campi-lontano-25608/.

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Desertification is a type of land degradation in which a relatively dry land region becomes increasingly arid, typically losing its bodies of water as well as vegetation and wildlife.

Desertification is a significant global ecological and environmental problem.”
It is caused by a variety of factors.
Overgrazing is the major cause of desertification worldwide.
CONSEQUENCES OF DESERTIFICATION
Loss of biodiversity by worsening the living conditions of many species.
The loss of vegetation cover and therefore of food for livestock and humans.
Loss of forest cover, with a corresponding shortage of wood resources.

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Oil is a primary form of combustible energy. It is the raw material for a huge variety of processed products: in fact it is almost never used as it is found in nature but is processed to obtain numerous derivatives (LPG, petrol, naphtha, kerosene, diesel oil, lubricating oil, bitumen)
The oil that spills onto the coasts can destroy entire ecosystems that are particularly sensitive (coral reefs, salt marshes, mangrove forests) and cause serious damage to various commercial activities, such as fishing and aquaculture, or to tourism.

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Plastic pollution is when there is a lot of plastic in the environment and it negatively affects animals, animal habitats or people.
Plastic pollution can take different forms including:
-The accumulation of waste；
-The accumulation of marine litter, fragments or microparticles of plastics and non-biodegradable fishing nets, which continue to trap wildlife and waste；
-Waste causing the death of animals by ingestion of plastic objects；
-Negative Effects on Human Health；
-Air Pollution；

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53 million tons of electronic waste were produced in 2019. An amount sufficient to form a line 125 km long.  only 17% of this waste was collected and recycled.  This means that important quantities of gold, silver, copper, platinum have been lost instead of being treated for recycling: we are talking about 50 billion euros, a sum greater than the GDP of many countries.  Economic damage is the tip of the iceberg.  In fact, the environment and some categories of vulnerable people, exposed to harmful substances contained in WEEE, lose out every day.  Mercury, for example, is capable of altering the neurological system following a long exposure.  The report also mentions the uncontrolled emission of carbon dioxide, resulting from the non-compliant recycling of refrigerators and air conditioners.  About 98 million tons of CO2 were released into the environment in 2019 alone

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Deforestation refers to the reduction of woods and forests.

Deforestation is the second leading cause of global warming, accounting for around 24% of CO2 emissions.

Why is deforestation happening

- Need for new arable areas.

- Need for space for intensive farming.

- Need for wood as fuel.

- Application for fine wood.

There are dire consequences.

- Intensification of the greenhouse effect.

- Climate change and hydrogeological risk.

- Less biodiversity.

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Developing means of farming and agriculture is the reason humans can live in the world today. It is a necessary means of survival, without which there would be famines all over the world. For thousands of years, agriculture was a natural process that did not harm the land it was done on. However, modern agricultural practices have started the process of agricultural pollution. This process causes the degradation of the ecosystem, land, and environment due to the modern-day by-products of agriculture.
Agriculture is a complex activity in which the growth of crops and livestock have to be balanced perfectly. The process of agricultural pollution stems from the many stages its growth goes through.
Causes of Agricultural Pollution:
1. Pesticides and Fertilizers
2. Contaminated Water
4. Livestock
5. Pests and Weeds
6. Organic Contaminants

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Transport plays an essential role in society and the economy. The quality of our life depends on an efficient and accessible transport system. At the same time, transport is a major source of environmental pressures in the European Union (EU) contributing to climate change, air pollution and noise

Cars, vans, trucks and buses produce over 70% of the greenhouse gas emissions generated by transport. The remainder comes mainly from sea and air transport.

Transport also continues to be a significant source of air pollution, especially in cities

Air pollutants harm human health and the environment

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1. Greehouse gas effect
2. Melting of ICE:

loss habitat for Polar Bears

Sea level rise

temperatures are rising

3. Seasons are disappearing
4. Changes in Rainfall:

Flooding

Desertification

5. Natural disasters:

Hurricanes

typhoons

destroying Coral reef

6.  Gyres of plastic