Based on extensive scientific evidence, it is extremely likely that human activities, especially emissions of greenhouse gases, are the dominant cause of the observed warming since the mid-20th century. There is no alterative explanation supported by convincing evidence.

Authors

• Person: Not available Organization: NASA
  Scientific Consensus - NASA Science

Sources

• Scientific Consensus - NASA Science science.nasa.gov NASA via serper

Referenced by nodes (2)

• greenhouse gases concept
• human activity concept