Be sun safe: take steps to avoid too much exposure to the sun while taking part in outdoor activities.
The weather is warmer, the days are longer, and it's a perfect time to explore your local environment.
Whether you're heading to the beach, having a picnic in the woods or you want to explore nature in your own garden while you wait for the BBQ to heat up, we've rounded up our favourite OPAL summer activities for you to enjoy.
Our trees are under threat from increasing numbers of pests and diseases. You can help scientists protect trees and woodlands by surveying them.
Uncover the diverse range of wildlife in our hedges, and how you can improve hedges around you to support insects, mammals and birds.
Late summer and early autumn are prime times to see tar spot of sycamore, an important pollution indicator. Keep your eyes peeled for these black spots.
Take time out from sunbathing and building sandcastles when you're at the beach to discover seaweeds that can be found on the British coast.
Seaweed guide (PDF, 2MB)
Dragonflies and damselflies are the acrobats of the insect world and a true sign of summer. Learn how to identify the different species.
Dragonfly guide (PDF, 197KB)
Heathlands are at their most attractive from July to September. But this important habitat is under threat.
Heathland wildlife ID guide (PDF, 3.19MB)
Activities for children
Search for signs of summer with these fun games for youngsters.
Summer I Spy (PDF, 254KB)
Summer scavenger hunt (PDF, 241KB)
Crawlies aren't creepy! Go bug hunting and discover the wonderful world of insects.
Create a pitfall bug trap (PDF, 193KB)
Water wonders activity sheet (PDF, 424KB)