As spring turns to summer, Dougie Vipond is in the Cairngorms National Park to find out how the authorities are protecting precious habitats from the risk of wildfire, while Cammy Wilson is on his Ayrshire farm at the peak of his lambing season. Anne Lundon ventures to the Isle of May to find out how extreme weather is driving apart one species of life pairing birds and and pays a visit to the lighthouse where her grandfather was posted. Journalist Rachel Bell follows in the footsteps of the Highlander who left her stylish mark in Braemar