Clearer Thinking with Spencer Greenberg What, if anything, will save the environment? (with Dan Stein)
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Dec 3, 2025 Dan Stein, founder of Giving Green and a climate economist, tackles the pressing issue of climate change. He discusses the nuances of tree-planting efficacy and critiques the flawed carbon credit systems. Stein emphasizes the need for innovative technology over personal sacrifices, advocating for a combination of R&D and strategic policy to drive down costs. He also explores the potential of geothermal energy and the role of corporations in supporting systemic change in heavy industries. Urgency for action, especially regarding underfunded sectors, is a recurring theme.
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Climate Outcomes Depend On Choices
- Dan Stein argues the climate crisis is not hopeless and outcomes depend on our collective choices.
- He sees clear pathways to solve climate change if society acts effectively now.
Tree Planting Often Fails Practically
- Tree planting can store carbon but often fails due to poor maintenance and economic pressures.
- Dan warns marginal dollars often have higher impact elsewhere than typical tree-planting projects.
Most Carbon Offsets Are Unreliable
- Carbon credits purport to pay for emissions reductions but mostly fail on additionality and reversals.
- Dan says studies find 80–90% of offsets are likely not delivering claimed reductions.