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This year, scientists measured more carbon dioxide in the atmosphere than there has been for 800,000 years — since before our species evolved.
 
Direct observations made on and above Earth’s surface show the planet’s climate is significantly changing. Human activities are the primary driver of those changes.

Earth’s climate has changed throughout history. Just in the last 650,000 years, there have been seven cycles of glacial advance and retreat, with the abrupt end of the last ice age about 11,700 years ago marking the beginning of the modern climate era — and of human civilization. Most of these climate changes are attributed to very small variations in Earth’s orbit that change the amount of solar energy our planet receives.

Impact of Climate Change on Biodiversity

Biodiversity loss using data on the total number of threatened species of amphibians, birds, fishes, mammals, mollusks, plants, and reptiles. The data were compiled from the Red List published by the International Union for Conservation of Nature (IUCN). For climate change variables, are temperature, precipitation, and the number of natural disaster occurrences. As for the control variable, we have considered governance indicators and the level of economic development. By employing ordinary least square with robust standard error and robust regression (M-estimation), our results suggest that all three climate change variables – temperature, precipitation, and the number of natural disaster occurrences – increase biodiversity loss. Higher economic development also impacted biodiversity loss positively. On the other hand, good governance such as controlling corruption, regulatory quality, and rule of law, reduces biodiversity loss. Thus, practicing good governance, promoting conservation of the environment, and the control of greenhouse gasses would able to mitigate biodiversity loss.

From: Habibullah MS, Din BH, Tan SH, Zahid H. Impact of climate change on biodiversity loss: global evidence. Environmental Science and Pollution Research. 2022 Jan;29(1):1073-86.