International Day for Biological Diversity is being celebrated on 22 May every year to increase awareness and understanding of the issues of biodiversity.
National Geographic Society has installed the "world's highest weather station" on Mount Everest at an altitude of 8,830 metres to automatically measure various meteorological phenomena.
Dr Tedros Adhanom Ghebreyesus was re-elected as WHO Director-General for a second five-year term by WHO Member states during the 75th World Health Assembly.
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