Climate Change: The Scientific Consensus
What is Climate Change?
Climate change refers to the long-term changes in Earth’s climate system, including temperature, precipitation, and wind patterns. These changes are primarily caused by human activities, such as the burning of fossil fuels, which release greenhouse gases into the atmosphere.
The Evidence for Climate Change
- Rising Atmospheric Carbon Dioxide Levels: The concentration of carbon dioxide in the atmosphere has reached 400 parts per million, a level not seen in human history.
- Warming Temperatures: Global average temperatures have risen by about 1 degree Celsius (1.8 degrees Fahrenheit) since the late 19th century.
- Extreme Weather Events: Climate change is leading to more frequent and intense heat waves, droughts, wildfires, and floods.
Public Perception of Climate Change
Public belief in climate change fluctuates with the weather. When it is hot outside, people are more likely to believe in climate change. When it is cold, they are less likely to believe.
The Scientific Consensus on Climate Change
Overwhelmingly, climate scientists agree that humans are causing climate change. A recent study of over 11,000 scientific papers found that 97.1% of them endorsed the consensus position that humans are causing global warming. When the climate scientists themselves were asked whether their work supported the idea of anthropogenic climate change, 97.2% agreed.
Why Do Some People Doubt Climate Change?
Some people may question the scientific consensus on climate change. However, this new survey shows that this is not a valid argument. The debate over the cause of climate change is settled within the scientific community.
The Importance of Climate Action
Climate change is a serious threat to our planet and our way of life. It is essential that we take action to reduce greenhouse gas emissions and mitigate the effects of climate change.
What Can You Do to Help?
There are many things you can do to help address climate change, including:
- Reduce your energy consumption
- Switch to renewable energy sources
- Drive less
- Eat less meat
- Support climate-friendly policies
By taking action, we can create a more sustainable future for ourselves and generations to come.
Additional Information
- Three Quarters of Americans Now Believe Climate Change Is Affecting the Weather
- We’re About to Pass a Disheartening New Climate Change Milestone