The annual figures from the Environment Agency show 93% of sites met minimum standards, up from 92% last year.
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Species in Peril identifies thousands of at-risk species in Wales based on geographical restriction.
What did we learn from a climate summit that ended in a deal with no new mention of fossil fuels?
The COP30 climate summit fails to secure new pledges to cut fossil fuels after running over time for more than 18 hours.
Nearly 200 countries attended COP30, which aimed to commit the world to take more action on climate change.
The annual climate conference was meant to finish on Friday but countries remain deeply divided.
