Guardian: Can you laugh at global warming? Indeed, should you? The Ken Sprague Fund has organised a competition that set out to answer those awkward questions – so if you think that cartoons about climate change could be in poor taste, look away now. Around 150 artists from more than 50 countries submitted entries. The results, says John Green, secretary of the fund that was set up in memory of cartoonist Ken Sprague, were “bitingly satirical, outrageously funny or exceedingly bitter, and …