Alert to people with asthma using a blue inhaler - 'call your GP'

Millions of people with asthma use the blue inhaler to help relieve the symptoms when they have an attack but a doctor is now ...

Study says trees counter half the world's urban heating, but not in the places that need it most

Trees are countering nearly half the urban heating from pavement and buildings in the world's cities, but they're not doing enough cooling in hotter, poorer cities where it's needed the most as the ...