Human emissions of carbon dioxide and other greenhouse gases – the main driver of climate change – represent one of the world’s most pressing challenges. This link between global temperatures and greenhouse gas concentrations – particularly CO ₂ – has been true throughout Earth's history. To set the scene, let's look at how the planet has warmed. In the graph, we see the global average temperature compared to the average for the period between 1961 and 1990.

"by clicking on the title of the article, you will be redirected to the entire article"