Question

summary of climate change ​

Answer 1

Answer:

Earth's climate has changed over the past century. The atmosphere and oceans have warmed, sea levels have risen, and glaciers and ice sheets have decreased in size. Continuing increases in greenhouse gases will produce further warming and other changes in Earth's physical environment and ecosystems.

Answer 2

Answer:

Climate change describes a change in the average conditions — such as temperature and rainfall — in a region over a long period of time. NASA scientists have observed Earth's surface is warming, and many of the warmest years on record have happened in the past 20 years.

Earth's climate has changed over the past century. The atmosphere and oceans have warmed, sea levels have risen, and glaciers and ice sheets have decreased in size. The best available evidence indicates that greenhouse gas emissions from human activities are the main cause.

Climate change refers to the long-term changes in global temperatures and other characteristics of the atmosphere. We can see and measure climate changes around the world. Global temperature is warming, weather patterns are changing, polar ice is melting, and sea level is rising.

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