Study finds dangerous mercury levels in Amazon fish

Nearly one-third of the fish in the Brazilian Amazon state of Amapa have such high levels of mercury caused by illegal mining that they are dangerous for human consumption, according to a new study.

Jamaica revamps energy policy for green COVID-19 recovery

Jamaica has overhauled its energy policy to create a post-pandemic recovery package anchored in stronger carbon emissions targets for farms and forestry—raising hopes other countries in the region will follow suit.

Sewage sludge down on the farm

The phrase "sewage farm" may have fallen from favour and been replaced with terms such as waste water treatment works and the like. But, the origin of that archaic phrase refers very directly to the fact that partly processed ...

How to make water issues matter to world leaders

In December 1992, the UN General Assembly declared 22 March World Water Day, to be celebrated each year. With increasing populations and economic activities, many countries face water scarcity – which in turn limits their ...

Chemists completely change the direction of Diels-Alder reaction

RUDN-based researchers, together with Russian colleagues, have studied the Diels-Alder reaction in the derivatives of furan (a heterocyclic organic substance) and managed to reach 100 percent control over the composition ...

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