Daily TV & Radio - Wednesday

Turning the Tide (11.00 am R4). This week, environmental economist John Bowers argues that coastal protection for rural areas is a waste of money.
Thinking Allowed (4.00 R4). Laurie Taylor talks with Betsy Stanko, director of the Violence Research Programme, on domestic violence.
Poisoned (8.30 C4). Heavy metals. The toxic dangers in everyday substances.
Laboratories of Power (9.00 R4). The scientists of the Codex Alimentarius Commission (the global authority on what’s safe to eat).
The State of the Planet (9.10  BBC1). This second episode of David Attenborough’s series is devoted to a useful exposition of the "five human activities that are most threatening to biodiversity" (being overharvesting; the introduction of alien species into ecosystems; the destruction of habitats; islandisation; and pollution). Evidence comes from Hawaii, Brazil, South Africa, New Mexico and elsewhere. » State of the Planet
Night Waves (9.30 R3). The legacy of Freud, with Adam Phillips and others. » Nightwaves
Rebel Yell (10.00 R2). The protest song in the US Civil Rights movement, and in the anti-Vietnam War movement.
The Richard Dimbleby Lecture (10.35 BBC1; 11.05 outside England ). The Tate Gallery’s Nicholas Serota asks "Who’s Afraid of Modern Art?" And on the same theme, C4’s Howard Jacobson Takes on the Turner (11.30 C4) looks for British contemporary art outside the shortlist. Later still, Is Painting Dead? (3.45 am C4) is a repeat of the discussion featuring Waldemar Januszczak, Karen Wright, Norman Rosenthal, Roger Scruton, Richard Cork et al .