Forestry contractors say delays to paperwork are holding up tree planting. One forester says the waiting nearly cost him his business, and he feared he'd go bust. He also says delays in the system mean the government won't meet its ambitious tree-planting targets.

We are looking into landownership all this week - and the value of arable land in England is currently at an all time high. There are many reasons and tax has its part to pay too, both inheritance tax and capital gains tax. We speak to an accountant about how tax affects the price of land.

We've often talked about the future potential of insects both for feeding livestock and feeding us. At the moment insects can legally only be fed on vegetable matter, but a new research project being carried out for the Food Standards Agency is looking at the feasibility of using other types of food waste. It’s being run by Fera Science Ltd, alongside the University of Surrey.

Presenter: Caz Graham

Producer: Rebecca Rooney