Ian Redmond, 'ape man', talked to Sarah Stirk about his joy in the natural world, and especially his passion for Mountain gorillas - the only ape (other than humans) whose population is rising.
India's planned power expansion depends overwhelmingly on coal, with over a hundred huge new generation units planned by 2030. Sarah Stirk reports on the nightmare the dash for coal is bringing to once peaceful rural communities.
Where there are cattle, there is the threat of bovine Tuberculosis (TB). The farming methods may differ greatly, but from the dairy farms of Ethiopia to the beef herds of Canada the race is on to find the best way to tackle the disease
A growing number of farmers are now questioning the nature of the cull and its effectiveness. And some are blaming poor biosecurity and intensive farming for the spread of TB in the UK cattle herd. Andrew Wasley and Sarah Stirk report