The carbon bubble idea is an interesting hypothesis, Styles writes, but there are some flaws in the arguments Al Gore makes in its support. Carbon bubble or no, there's nothing wrong with investors wanting to track their carbon exposure, consider shadow carbon prices, or ensure they are properly diversified.
Letters to the Editor for the September 23, 2013 weekly print magazine:Only about 3 percent of the Antarctic temperature rise occurred during the time of humans burning fossil fuels. Climate change is a complex subject. The 'facts' about it must be stated precisely.Does interpreting the Quran according to the spirit of our time mean that truth has no universal quality, but instead a temporary one?
Planetary carbon dioxide concentrations are the highest they've been in the past 800,000 years, an ignominious milestone for Earth Day 2013. Still, the world is making some progress toward addressing global warming.