Farmers in the UK are urging the government to ban imports of beef from Brazil amid fears that it's not produced to the same high standard. The EU and Norway have already imposed bans because of Brazil's use of antibiotics, which they fear could lead to resistance.

In the US cattle farmers are angry about President Trump's plan to allow beef in tariff-free to bring consumer prices down. They say it'll undermine their industry.

And we visit a long-running trial of miscanthus at Aberystwyth University. They're looking for more uses for the crop, which has proven it copes well in drought.

Presented by Caz Graham and produced by Sally Challoner.