Offsetting your baby's lifetime CO2 footprint is actually very affordable even with the average US figure. For a more hands on alternative you could strive to raise them to a line of work that would cause them to have a net negative climate footprint.
But yes, have a good hard think about these things when considering getting children.
For lack of a more credible source,
http://www.theguardian.com/environment/blog/2010/sep/09/carb...
“America’s lifestyle expectations are far too high and need to be adjusted so we have less things and a smaller, better existence,” Greene said in an interview today at the World Economic Forum in Davos, Switzerland. “We need to reinvent our whole system of life.”
This was said by "Greene, who flew his wife, children and two nannies on a private jet plane to Davos for the week".
OK, he not only made a speech but also had a dinner with Tony Blair so it wasn't just for that speech.
>The most important thing to remember with climate change is that there's no downside to being less wasteful.
It doesn't matter if you shower less or use the AC less or use an electric car, all that pales in comparison to you not existing in the first place. So the easiest way to solve the entire issue is not having more children. I feel like this is such a big choice with huge downsides for most people that it doesn't even get talked about that often.