a charity that campaigns to encourage people to care for the environment and to persuade them not to leave rubbish in public places. The phrase is widely used on signs, etc. put up around the country.
پاک نگه داشتن بریتانیا, کمپین محیط زیست بریتانیا, محیطزیست بریتانیا را پاک نگهدارید