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Register here for free. · explore earths vital signs, climate change, and space exploration through nasas interactive tools and visualizations. Current news and data streams about global warming and climate change from nasa. Climate change is a long-term change in the average weather patterns that have come to define earth’s local, regional and global climates. Human activities have raised the atmosphere’s carbon dioxide content by 50% in less than 200 … Are humans to blame? Earth-orbiting satellites and new technologies have helped scientists see the big picture, collecting many different types of information about our planet and its climate all over the … What does solar irradiance have to do with … Global climate change and global warming. Vital signs of the planet: What is causing it? What is climate change? Carbon dioxide in the atmosphere warms the planet, causing climate change. What is the “greenhouse effect”? You now need to create an earthdata account to access nasas ice sheet data. These changes have a …