FLOWER POWER

BY KEITH NUTHALL
POLLUTION specialists can visit a European Commission funded project this summer, which is exploring the viability of phytoremediation, where plants break down and remove heavy metals, especially lead, from polluted soil. The Phyles project, in La Spezia, northern Italy, is experimenting how effective sunflowers, maize and Indian mustard plants are in decomposing these pollutants. The plants use solar energy extract lead from the soil, storing it in their shoots. They are harvested, dried and burnt at below 600C, to reduce atmospheric ...


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