Core Points - Sudan has established a fishing ban period for Lake Nubia and Lake Merowe from February 15 to April 1, 2026, to combat overfishing and protect fish resources [1] Group 1 - The decision aims to ensure sustainable production during the fish breeding and spawning season [1] - The initiative is part of efforts by the Northern State's Supreme Council for Animal Resources, Fisheries, and Pastures to address environmental concerns [1]

Core Points - The Gravaline Nuclear Power Plant in northern France has temporarily shut down all six of its reactors due to an unexpected influx of jellyfish that clogged the cooling system [1][3] - This plant is the largest nuclear facility in France, with a total capacity of 5.4 gigawatts, supplying 60% to 70% of the electricity demand for the Hauts-de-France region [3] - The incident marks a rare occurrence of jellyfish invasion affecting nuclear operations, although similar events have been reported in the US, Canada, Scotland, Sweden, and Japan [4] Summary by Sections Incident Details - On August 10-11, four reactors (Units 2, 3, 4, and 6) were shut down due to jellyfish blocking critical equipment, while Units 1 and 5 were already under summer maintenance [3] - All six reactors are currently offline, but no safety issues have been reported for the plant, personnel, or the environment [3] Environmental Factors - The jellyfish bloom is unprecedented in the vicinity of the nuclear plant, with experts linking the increase in jellyfish population to human activities such as overfishing and climate change [3] - The cooling system of the plant draws water from the North Sea, which is a habitat for various jellyfish species [3] Historical Context - The spokesperson for the plant noted that while jellyfish-related shutdowns are rare, there have been historical precedents in other countries [4]