protests against the proposal to convert Marsden B power station from oil to coal. Greenpeace activists climb power station at dawn to unveil banner reading 'Save The Climate Stop Coal' on front of building & erect signs reading 'No Toxic Coal Ash Here Stop Marsden B' around power station boundary; group of surfers on beach wearing t-shirts spelling 'Surfers Against Sulphur'; large group of protesters with banners & placards moving along road around power station & beach next to Marsden B; aerials of power station and people positioned on beach in 'human art' image spelling out 'No Coal Stop Marsden B'; u/water diver holding sign reading 'No Toxic Discharges'.