I think that's a really excellent point. It's not that people are out to get you or anything like that. It's that people who are very well intentioned tend to focus on a single issue or a single aspect of sustainability. I think the example you just gave about climate change.... Climate change is one aspect of sustainability. Biodiversity is another, as are species at risk, clean water....
On May 12th, 2016. See this statement in context.