Change green spaces along roadsides, roundabouts and on residential area's. These generally just get cut by the council then left again. Plant wildflowers in these area's, this will create areas for bees and insects all across the uk. Less maintenance and beautiful too.
Why is this important?
Wild flower area's are almost all gone. Bees are essential to everything so to create an environment where they can thrive i feel is essential. With this being lower maintenance too will mean less emissions.