Marine heatwaves are rare extreme weather events that involve prolonged periods of abnormally high ocean temperatures
Widespread coral bleaching recorded in Lakshadweep Sea: CMFRI report
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India heightens watch over China Covid spiral
India heightens watch over China Covid spiral
The Centre on Tuesday formally asked states to step up analysis of positive Covid-19 cases to detect new coronavirus variants, and officials aware of the matter separately said that testing and surveillance at airports could be tightened, as the government moved to deal with potential fallout from a spiralling wave in China.
