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Bookmark or Share- Evidence - NASA ScienceHuman activity is the principal cause. En español. Takeaways. While Earth’s climate has changed throughout its history, the current warming is happening at a rate not seen in the past 10,000 years.
- What evidence exists that Earth is warming and that humans are the main ...Full story. We know this warming is largely caused by human activities because the key role that carbon dioxide plays in maintaining Earth’s natural greenhouse effect has been understood since the mid-1800s. Unless it is offset by some equally large cooling influence, more atmospheric carbon dioxide will lead to warmer surface temperatures.
- Human Impacts on the Environment - National Geographic SocietyHumans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water. These negative impacts can affect human behavior and can prompt mass migrations or battles over clean water.
- UN report shows human activity has changed the planet foreverDate: August 09, 2021. Human activity has changed our planet forever. Devastating wildfires, severe flooding, and extreme heat—all occurring more frequently—serve as a grim confirmation: the climate crisis is here.
- Causes - NASA ScienceHuman activities are driving the global warming trend observed since the mid-20th century. En español. Takeaways. The greenhouse effect is essential to life on Earth, but human-made emissions in the atmosphere are trapping and slowing heat loss to space.
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