Nepal’s deadly glacial flood is a catastrophe boosted by climate change, according to experts. The crisis is both a humanitarian disaster and a warning that must be heeded in an overheated world, Greenpeace added. Reuters reported that  “While experts caution against describing climate change as the sole, immediate trigger for Wednesday’s collapse, they say that rising temperatures and melting glaciers probably played a role in the disaster.” Greenpeace noted that while it’s too early to link this specific event to global warming, the broader trend is clear — a warming planet is raising the risk of such disasters. Global heating, mostly…