Final answer:
Air and water pollution are major environmental concerns in the United Kingdom, along with hazardous waste disposal and destruction of habitats.
Step-by-step explanation:
A major environmental concern in the United Kingdom is air and water pollution. Despite the gradual reduction in emissions from fossil fuels, the levels of pollution are still high and continue to impact the environment.
Other issues include hazardous waste disposal, destruction of wetlands and wildlife habitats, and the impact on human health from pollution.