A decision will be made by the Supreme Court later today on whether to give the Welsh Government the power to set wages for farm workers.
A Bill had originally been passed by the Assembly last year, allowing the Welsh Government to set minimum wages and benefits for agriculture workers.
However, Royal Assent of the Bill has been delayed after the Attorney General referred it to the Supreme Court, arguing that it was a law regarding employment issues and not agriculture.
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It is claimed the scheme also brings environmental benefit, with a range of plants along its route creating an ecological corridor.
Government ministers, organisations and Extinction Rebellion will be attending to discuss what action should be taken on climate change.
An estimated 400 babies and toddlers in Wales are admitted to hospital every year with a burn from a hot drink.