The Conservative Party has said it will plant 30 million trees a year by 2025 if it wins the general election – as the Liberal Democrats pledged to plant twice as many trees in the same period.
The Tories’ £640m fund would be used to plant trees and restore peatland.
Labour dismissed the scheme and said the prime minister had an “atrocious environmental record”.
The Lib Dems would plant 60 million trees a year across the UK by 2025, leader Jo Swinson said.
Under the Conservatives’ scheme, branded the Nature for Climate fund, the party said it would treble the tree-planting rate to cover 30,000 hectares – meaning approximately 30 million trees – every year by the end of the next Parliament in 2025.
One hectare is 100m x 100m in size.
The Conservatives’ fund would cover England, but the party said it would work with devolved administrations in Scotland, Wales and Northern Ireland to increase tree planting.
It means plans for the Northern Forest in north-west England and the Great Northumberland Forest would be expanded, while trees would also be planted in urban areas and in new forests, the Tories said.
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The Committee on Climate Change (CCC) – an advisory group of experts in science, economics, and business – recommends 30,000 hectares of woodland should be planted annually.
Less than half that amount was planted in the UK in the year to March 2019.
We now have yet another green battleground in this election campaign: trees.
After claim and counter claim about everything from a ban on fracking to improving flood defences to reducing carbon emissions, there’s a flurry about forests.
The Conservatives say they’ll plant at least 30 million more trees every year, a pledge that is roughly in line with a recommendation from the government’s official climate advisers. But that would represent a massive increase compared with earlier targets set by the government and, as the other parties are keen to point out, these have not been met.
For their part, the Liberal Democrats have gone much further than the Conservatives by promising to plant 60 million trees a year – that’s double the Tory number – arguing that that’s needed to help fight climate change.
The Labour Party says its plan for trees, when it comes, will be guided by the science.
Experts in forestry say that a huge programme of tree planting is needed if the UK is to have any chance of reducing its carbon emissions to effectively zero.
They also say that the aim, though difficult, is feasible but will depend on careful planning – “to get the right trees in the right places”, as one specialist put it to me.
He also said the effort had to be properly funded and “joined-up”, by which he means co-ordinating many different government agencies, forestry organisations and farmers – no easy task.
Conservative leader Boris Johnson said there was “nothing more conservative than protecting our environment”.
He said the measures would “sit alongside our world-leading commitment” to cut greenhouse gas emissions to net zero by 2050.
The Conservatives look set to use the “Vote Blue, Go Green” slogan adopted by David Cameron in 2010, which critics say he abandoned once he got into power.
The Lib Dems said its “ambitious” proposals to plant 40,000 hectares – or, it estimated, 60 million trees – every year would increase UK forest cover by one million hectares by 2045.
The “largest tree-planting programme in UK history” would be part of the party’s plan to achieve net-zero greenhouse gas emissions by the same year.
“Only the Liberal Democrats have a radical plan to make a real impact in the fight against climate change and build a brighter future for our planet,” Ms Swinson said.
Labour’s shadow environment secretary Sue Hayman said the Conservative Party’s failure to meet previous tree-planting targets showed “they aren’t serious about this agenda”.
“When Labour comes forward with its own ambitious proposals as part of our Plan For Nature, they will be informed by what the science says is necessary and possible – not by what Boris Johnson thinks he needs to do to greenwash his atrocious environmental record,” she added.
Mr Johnson’s party also announced a £500m “Blue Planet fund” across the next five years to help support developing countries in protecting oceans.
The sum would be funded by the budget for international aid, the Conservative Party said.
The money would go towards, for example, UK satellites monitoring marine environments and ensuring protected areas were not subject to illegal fishing.