Dossier
atmospheric carbon dioxide concentrations
Coverage of atmospheric carbon dioxide concentrations in the Nexus archive.
- Scientists Warn of Summer Heat Spikes as Global Warming Edges Toward 2C
Scientists warn that summer heat spikes could reach 3.5 degrees Fahrenheit above pre-industrial levels as global warming approaches 2°C. Fossil fuel burning and human activities are cited as the primary causes of the rapid warming over the past decade. Atmospheric carbon dioxide concentrations hit a record high in May.