Under a scenario of 3.6°F (2°C) warming by 2050, species such as the Puffin, Fulmar and Arctic Tern could see population declines of more than 70 per cent.
British gardens have seen the greatest explosion of winter colour in more than a decade due to the topsy-turvy weather, according to the Royal Horticultural Society.
The crimson-petalled Munstead Wood and A Shropshire Lad, which is a pink climbing variety, are among those that have been withdrawn from sale by British grower David Austin Roses.
The new plan, to be completed by 2030, is an attempt to help stop the loss of wild plants such as eyebrights, cowslips and Bugloss viper and help rare bees and birds which depend on them.