Wild mushrooms are very weather dependent, thriving in damp and humid and relatively warm temperatures - the kind we have been experiencing this autumn.
Normally the mushroom season is curtailed by the first frosts of the year, however climate change is having a significant impact on the length of time the fungi are growing for.
A longer mushrooming season is just one of the epiphenomena associated with climate change, unfortunately there will be many others which are not so palatable, nor desirable.