Offset your carbon footprint with Project Wren

I came across Project Wren via swissmiss, the bit that got me was in their FAQs:

The best minds of our generation are optimizing Ads at Google and Facebook. We think this is a shame, but we will only be able to hire those people if we can pay them. By taking a 20% margin on each subscription, we will be able to hire an amazing team to reverse climate change.