They may be using something like Sift for security checking and something of yours was flagged. Source: almost 2 years ago

But sorry to break it to you, this has been done at a really large scale already although most consumers are not aware. One big player here is https://sift.com/ Almost every major retailer uses their service exactly for the reasons you mention. Source: almost 3 years ago

Reddit, for one. A pretty big list on their homepage. Source: almost 3 years ago

You can probably go to fiverr and have someone build you a website - just send them wren.co and ask how expensive it would be to create something similar. Source: about 1 year ago

If you really have it made, like you're upper middle class, you can easily afford to sequester the amount of carbon you emit yearly for not much money. My dog and I emit approx 18tons of carbon a year, which is like 3.5 times the world average. I calculated it with wren.co and I can use them to sequestor that much carbon for 60$ a month. I cant afford to do that at this stage in my life because I should be... Source: over 1 year ago

You could offset part of your past emissions on wren.co. Source: over 1 year ago

At the end of Veritasium's latest YouTube video, he does an ad spot for Wren (wren.co). Wren is a "Benefit Corporation" (legal mission is both profit and positive impact) that aims to accept your money in exchange for doing something to offset your carbon footprint. Conservation International seems to do the same thing, but they are a 501(c)3 charity (https://www.charitynavigator.org/ein/521497470). Source: almost 2 years ago

Http://wren.co (YC S19) is a literal monthly subscription to offset your carbon footprint. - Source: Hacker News / about 2 years ago