How Much Should You Be Spending on how many trees to offset a flight?

https://martinortx002.edublogs.org/2020/05/22/responsible-for-a-plant-a-tree-gift-certificate-budget-12-top-notch-ways-to-spend-your-money/

Carbon offsetting schemes allow airlines to purchase environmental projects to pay for the greenhouse gas emissions flights generate. The rise of flygskam, or flight-shame”, has spurred airlines and travel companies