April 16 News: Heat Wave Prompts ‘Dire Warnings’ From Boston Marathon Officials; Glaciers Still Shrinking Rapidly: Our round-up of the latest in climate and clean energy. Please post more links below. A forecast for intense heat during Monday’s Boston Marathon prompted race officials to issue dire warnings over the weekend, along with the offer of a deferment for runners willing to wait until next year. [Wall Street Journal] To figure out [...]/p