> this should (and is) be tackled at the source: 0/low emission energy generation and not consumer having to think about these decisions.

Until we're at that point though, the 'winners' in this market society (that wield unimaginable amounts of money = resources) such as Google could certainly think about consequences of their choices. And they usually do to some extent, I'm not saying they don't, just that electric supply and demand has two sides to it