Too Long; Didn't Read
The Intergovernmental Panel on Climate Change (IPCC) recently concluded that, at the current rate of human activity relating to global greenhouse gas emission pathways, we are facing a threat of a <a href="https://report.ipcc.ch/sr15/pdf/sr15_spm_final.pdf" target="_blank">1.5°C of global warming above pre-industrial levels</a>. This may not sound like a large number, but the consequences are dire — think rising sea levels leading to flooding of lowland areas, degradation of tundras and rainforests, and increased CO₂ concentration in oceans leading to mass bleaching of coral reef ecosystems. That last one hits particularly close to home, being a scuba-diver myself.