Climate change is a significant and lasting change in the statistical distribution of weather patterns over period ranging from decades to millions of years. It may be a change in average weather conditions or in the distribution of weather around the average condition. Climate change is cause by factors such as biotic process variations in solar radiation received by Earth, plate tectonics and volcanic eruptions.
Despite of what I know, certain human activities have also been identified as significant causes of recent climate change, often referred to as global warming.
Planting trees is an example of human activities that affect climate change. The plants will absorb the carbon dioxide and produces more oxygen. Because of this our atmosphere will get cooler and cooler.
But if we do not plant trees, the atmosphere will get hotter and hotter because nothing absorbs carbon dioxide and produces more oxygen.
So we must control or minimize certain human activities that affect climate change that will cause sick to human.
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