Environmental teams have urged the prime minister to keep away from watering down laws on local weather change and wildlife safety after Brexit.
The letter, signed by WWF, Greenpeace and others, says motion is required to halt ongoing environmental decline.
The UK authorities beforehand stated it could depart the atmosphere in a greater state for future generations.
However the letter expresses concern that Brexit might pressure ministers to backtrack on this promise.
Quantity 10 stated it could examine the letter earlier than responding.
Newspaper reports primarily based on leaked documents have advised that commerce and progress could be prioritised on the expense of efforts to deal with world warming and the unlawful commerce in wildlife.
The letter says: “We’re alarmed by latest media studies suggesting that the UK’s commitments to tackling local weather change and ending the unlawful wildlife commerce could possibly be watered right down to safe post-Brexit commerce offers.”
It added: “To be a fantastic, world buying and selling nation, the UK should ship on its guarantees for the atmosphere and the local weather and honour our worldwide commitments.
“In doing so we’ll assist construct a greener, higher and extra affluent future for everybody, reasonably than driving an environmental race to the underside.”
Marketing campaign teams which have signed the letter embody WWF, the Born Free Basis, Cafod, Mates of the Earth, Greenpeace and Oxfam.
Numerous high-profile people are additionally signatories: they embody Andy Murray, Anna Friel, Will Younger, Lord Stuart Rose and environmentalist Sir Crispin Tickell.
“A majority of environmental protections derive from the EU – we have most likely bought the world’s main environmental framework. In order the UK leaves the EU, the danger is that a few of these protections do not get introduced over into UK legislation,” Trevor Hutchings, director of advocacy at WWF-UK, instructed BBC Information.
These protections embody a package deal of laws to make sure the EU meets local weather and vitality targets for 2020. He stated the EU establishments additionally offered a strict system of accountability, in order that fines could possibly be invoked if member states didn’t ship on their obligations to the atmosphere.
“We, on the one hand, welcome the federal government’s dedication to nature and to bringing these legal guidelines over by way of the Nice Repeal Invoice… however in latest weeks a variety of issues have occurred that query that dedication,” Mr Hutchings defined.
He stated this included not solely the leaked memo, but in addition the delayed release of the government’s 25-year plan for nature in England and the Clear Development Plan on decreasing carbon emissions, which Mr Hutchings stated was anticipated earlier than March this yr.
“Issues like entry to environmental data, the ‘precautionary precept’, the ‘polluter pays’ precept are all established in EU treaties. The sense is that these won’t come throughout [into UK law],” he defined.
Spokespeople for Quantity 10 and the Division for Surroundings, Meals and Rural Affairs (Defra) stated officers would take a look at the element of the letter earlier than issuing a response.
However sources stated the federal government’s dedication to inexperienced points remained as sturdy as ever.
However, some observers throughout the environmental group have expressed issues that inexperienced points might turn out to be bargaining chips within the effort to safe commerce offers.
“Environmental laws and requirements do make up so-called non-tariff commerce boundaries – as some individuals may understand them,” stated Mr Hutchings.
“It most likely does not come as a shock that a few of these non-tariff boundaries might turn out to be a central negotiating level for commerce offers with international locations which have decrease requirements. That is the concern, although we haven’t any clear proof of that.”
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