Conservationist and broadcaster Iolo Williams revisits favourite locations from his 15 years making TV programmes about Welsh wildlife, considering what has worked or whether the tide of the modern age is inevitably going to push animals to the brink of extinction. He begins his tour on the coast, which despite its vulnerability is still full of many fascinating new discoveries
Broadcaster Iolo Williams conservation success stories, including the increased numbers of otters in the country's rivers, and the preservation of red squirrels on Anglesey. He also searches for hen harriers, which were on the verge of extinction in the 1990s
Broadcaster Iolo Williams examines some of the animals featured in his previous programmes that are still struggling to survive. He begins with a visit to an important bird nesting site which he campaigned to save in the 1990s
Conservationist and broadcaster Iolo Williams examines the changes in Welsh wildlife for the past 15 years. As he visits nature reserves and conservation projects, he assesses the positive contribution that an increasing public interest has had for the environment