"Johnson, 2020" refers to a publication by Johnson that discusses various aspects of climate change and its impact on global ecosystems. The work emphasizes the importance of understanding the scientific basis of climate change and the urgent need for action to mitigate its effects. In this publication, Johnson presents data and case studies that illustrate the consequences of rising temperatures and changing weather patterns. The findings highlight the interconnectedness of human activities and environmental health, urging policymakers and individuals to adopt sustainable practices to protect the planet for future generations.