2024年11月11日 · Climate change describes a change in the average conditions — such as temperature and rainfall — in a region over a long period of time. For example, 20,000 years ago, much of the United States was covered in glaciers. In the United States today, we have a warmer climate and fewer glaciers.

2024年11月11日 · What is climate change? Climate change describes a change in the typical weather for a region — such as high and low temperatures and amount of rainfall — over a long period of time. Scientists have observed that, overall, Earth is warming.

What is climate? "Climate" describes conditions over the long term and over an entire region. Climate is the big picture. It is the big picture of temperatures, rainfall, wind and other conditions over a larger region and a longer time than weather. For example, the weather was rainy in Phoenix, Arizona, last week. But this city usually gets ...

2024年11月11日 · What does global climate change mean? What is the big deal with carbon? What is the greenhouse effect? How do we know the climate is changing? What is happening to the oceans? What else do we need to find out?

What is climate change? Climate change describes a change in the typical weather for a region — such as high and low temperatures and amount of rainfall — over a long period of time. Scientists have observed that, overall, Earth is warming. In fact, many of the warmest years on record have happened in the past 20 years. This

2024年11月11日 · What does global climate change mean? What is the big deal with carbon? What is the greenhouse effect? How do we know the climate is changing? What is happening to the oceans? What else do we need to find out?

2024年11月11日 · What does global climate change mean? What is the big deal with carbon? What is the greenhouse effect? How do we know the climate is changing? What is happening to the oceans? What else do we need to find out?

2024年11月11日 · Ocean acidification is a change in the properties of ocean water that can be harmful for plants and animals. Scientists have observed that the ocean is becoming more acidic as its water absorbs carbon dioxide from the atmosphere.

2024年11月11日 · How Does Climate Change Affect Permafrost? As Earth’s climate warms, the permafrost is thawing. That means the ice inside the permafrost melts, leaving behind water and soil.

2024年11月11日 · What does global climate change mean? What is the big deal with carbon? What is the greenhouse effect? How do we know the climate is changing? What is happening to the oceans? What else do we need to find out?