Plastics only began to be produced in large quantities following the second world war – but plastic pollution has since become one of the most serious threats humanity faces. By 2015, 60% of all ...

2-Year U.S. Treasury Note Continuous Contract $104.184-0.148-0.14% 5-Year U.S. Treasury Note Continuous Contract $109.969-0.211-0.19% 10-Year U.S. Treasury Note Continuous Contract $114.359-0.188 ...

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Wood ash may contain useful levels of potassium (about three per cent) – a major plant nutrient associated with flowering and fruiting. However, the levels will vary depending on the age of the wood ...