Detailed text transcripts for TV channel - DW - 20180604:03:24:00
Nitrates occurring as a result of over fertilization. doesn't tartars milliwatts nitrates are already a major problem and we now know that pesticides could also become one we're keeping a close watch on as we take regular samples to see whether levels are increasing from year to year on the kinds of. the main problem is that many pesticides do not decompose once sprayed they remain in the environment for years this is legalised environmental pollution on a grand scale and it also threatens our drinking water filtering out pesticides is extremely time consuming and costly and this purification ...