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Oil prices pull back slightly while the EU proposed sanctions on Russian energy exports and attacks on Saudi oil facilities continue to affect price

Crude oil steadied above $100 a barrel, but volatility remained high, after the price plunged earlier this week from 14-year highs near $140 a barrel.

Nutrient enrichment from increased anthropogenic activities has been associated with algal blooms and the proliferation of aquatic weeds such as water hyacinth. It is a recent phenomenon in developing nations in the tropical monsoon regions where the link between water quality parameters and water hyacinth infestation is unclear. This study investigates the relationship between phosphorus, nitrogen and chlorophyll-a on the distribution of water hyacinths in Lake Tana located in the tropical highlands of Ethiopia. In this 3,000 km2 lake, water hyacinths have expanded from almost none to 25 km2 ...

Oil prices could hit a staggering $240 a barrel if western countries continue to sanction Russia, according to Rystad Energy's Bjørnar Tonhaugen.

Oil prices could hit a staggering $240 a barrel if western countries continue to sanction Russia, according to Rystad Energy's Bjørnar Tonhaugen.