The bottom line is these companies are being valued by the market based on the assumption that they'll be able to sell the barrels of oil in their proven reserves. If those reserves are "unburnable", the current valuations are not accurate, because the market for their product will be much smaller. Either they are valued correctly, or we're going to take action that prevents the worst effects of climate change - but it can't be both.

There are other similar platforms like https://www.openinvest.co/. And even if you use a trading platform like Robinhood you can find environmentally-conscious ETFs by searching terms like "fossil free", "green", etc.

In this context the "opposite" would be something like an energy or utility ETF (like Vanguard's VDE or VPU), funds that are 100% invested in fossil fuel infrastructure.

I just made an account so I could reply to this - I work on https://fossilfreefunds.org which is a site analyzing mutual fund/ETF portfolios for exposure to fossil fuel stocks. You can see if funds own the 200 largest carbon reserve owners, largest coal-fired public utilities, etc. We also measure carbon emissions metrics for the overall portfolio. And if a fund has a "socially responsible investment mandate" we show that as well.