Answer
How do I make my garden more sustainable?
Permeable surfaces, planting suited to the site, a pond, local materials and habitat.
In short
Through permeable surfaces and good drainage that keep water on site, planting suited to the conditions so it needs little watering or feeding, a pond or rain garden, peat-free and local materials, and habitat for wildlife. A sustainable garden is usually a lower-maintenance, better-looking one too.
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