About a year ago, when Phil last had a hospital appointment, the men in green arrived said they were not licensed to use the hoist to get Phil off the bed.
You need to get special permission to access them, and then you have to wear gloves to handle them because the oils in our hands can destroy the paper.
In your personal life, your reaction to stressful situations like these might be to start Shouting, or to go hide in a corner and feel sorry for yourself for a while.
Firms responsible for emissions, including utilities and oil producers, would either have to cut them or compete to buy a steadily shrinking number of permits.