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Related: How Many Acres of Hemp Would Stop Global Warming? – Thought Experiment
Romero plans to prioritize tree planting in lower-income communities that are often disproportionately affected by Tucson’s urban heat island effect. This is largely due to a lack of green space.
Rainwater will be the primary fuel for the million trees initiative. When Romero entered office, she and her council approved a green stormwater infrastructure fee, which charges the average residential water-user $1 per month. Over the next three years, the fee will generate up to $7 million for sustainable stormwater harvesting in parks, streets, and parking lots, according to Romero.
Planting a Million Trees in the Semi-Arid Desert to Combat Climate Change
Planting trees is linked to better air, lower temperatures, and increased biodiversity.






