The BBC Springwatch star, 62, said he was thrilled to be appointed president of the animal welfare charity after the announcement was made during this year s Chelsea Flower Show.
The Springwatch co-presenter, 61, (pictured) urged environmentalists to come together a Extinction Rebellion demands ministers to enter negotiations for an end to the fossil fuel era .
BBC presenter Chris Packham, 61, (pictured) asked his Twitter followers to attend the eco rally from April 21-24, in London , sparking furious backlash online.