BZE Campaigner Matthew Wright talks about his Spanish Solar Thermal Tour

In Spain, they don't just talk, but have lots of green technologies to show: Solar, and Transport, too, Matthew reports.
For Solar power day in, day out, Doerte Laing in Germany tells of concrete as an economical, convenient way to store thermal energy from the sun overnight, and when there are clouds.  And this works well with steam, rather than oil, to transfer the Sun's energy, giving even more economy.

BZE Spanish Solar Thermal Tour

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