Please find out an existing derivative security in the market which is related to climate change and/or environmental protection. Please explain why this security is a derivative, specify the underlying asset, expiration date, payoff function, and explain how this security can provide investors incentives to care more about climate change and/or environmental protection.

Alternatively, you can choose to design a derivative security which is related to climate change and/or environmental protection. Please explain why this security is a derivative, specify the underlying asset, expiration date, payoff function, and explain how this security can provide investors incentives to care more about climate change and/or environmental protection.