Today’s Solutions: December 18, 2025

After new research uncovered that tree-planting worldwide could make a substantial dent in the world’s net greenhouse gas emissions, the Australian government has come forth with a plan to plant a billion new trees. The tree-planting project, which will run until 2050, will eventually remove 18 million tons of greenhouse gases per year—an intriguing example of a less technical response to climate change. While the campaign will help the Australian government to meet the climate targets set by the Paris Agreement, it will need to start phasing out coal a lot faster if it wishes to fulfill its goals on time.

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