Anem amb en Salvador Sala a comprovar la puresa de les aigües dels llacs i rius d'alta muntanya

TV3 reporter Salvador Sala accompanied a LOOP's  team right to the middle of lake Redon, where the scientists run tests to assess the pollution levels. Levels that one would not a priori suspect in these apparently pristine paradises. Follow the link to watch the report at minutes 0:56-1:30 (intro) and 5:10-12:30 (main footage).