Salon: It was a full decade ago now that not-quite-president Al Gore and director Davis Guggenheim captured the world’s attention with “An Inconvenient Truth,” a film based on the premise that we still had time to prevent or limit the most devastating effects of climate change if we acted immediately. In case you haven’t noticed, we didn’t. In the United States, the fossil-fuel industry and its Republican lackeys picked away at a handful of loose scientific threads in the film, depicting it as some partisan,…