MONTHLY BAROMETER The latest Intergovernmental Panel on Climate Change (IPCC) report on the current state of climate makes for grim reading. Its overarching conclusion is that every fraction of a degree of warming matters; and that if we want to limit global warming to 1.5Ëš C (2.7Ëš F) in the hope of averting catastrophe, we have as little as 12 years to act, which requires…
