Corona, war in Ukraine, forest fires, crop failures: There was no "summer slump" in Europe this year. The media were full of horror stories that reached us every day - and continue to do so to this day.
This ignored the reality of the time: this year's monsoon rains in Pakistan triggered one of the worst flood disasters ever to hit the South Asian country. Three times more rain than usual fell there in August. The global forecasts for the future sound no less ominous: regions will be flooded, glaciers will melt and deserts will spread.
The main driver of climate change is the greenhouse effect. Heat from the sun enters the earth's atmosphere and gases prevent it from radiating back into space, thus causing global warming. Many of these greenhouse gases are of natural origin. However, as a result of human activity, the concentration of some gases has increased dramatically in recent decades. This applies in particular to carbon dioxide (CO2) and methane. In addition to the burning of coal, oil and natural gas, the main causes of this are considered to be the intensification of livestock farming and deforestation.
Trees regulate the climate by absorbing CO2 - at least that was the law of nature for a long time. This positive effect is increasingly being lost due to deforestation and forest dieback. The carbon stored in the trees is released into the atmosphere, where it contributes to the greenhouse effect. The effects are: too little or too much rain, monocultures, forest fires and insect infestation.
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