Sneinton Vegan Market, 11am - 3pm, 1st & 3rd Saturdays, Gedling St NG1 1DS. Details on Veggies website.
'Re-gathered' discussion - listening to recorded talks from the Greenbelt Festival (3rd Tuesday of the month). On 19 November, this will be Mike Berners-Lee: There is no Planet B, 8pm, Sherwood Methodist Church, Devon Drive NG5 2EN.
Discover the hidden corners of Attenborough Nature Reserve, Barton Lane NG9 6DY. Nottinghamshire Wildlife Trust in collaboration with University of Nottingham. Free but need to register.
Clean Air Nottingham (Air Pollution Action Group) will meet 7.30pm, Monday 25 November, Nottinghamshire Poacher (upstairs room), 161 Mansfield Rd NG1 3FR. Details on Clean Air Nottingham Facebook.
Monthly school students strike to demand action on the climate catastrophe. Meet in front of the Council House, Market Sq NG1 2DT. Details: YouthStrike4Climate Nottingham.
Monthly Critical Mass Bike Ride - last Friday of every month. Meet 6pm by Market Square bike stands (opposite end to Council House) for ride 6.30pm to 9pm. Details on Veggies website.
The Woodland Trust's Young People's Forest will have its inaugural tree planting on Saturday 30 November - next to Shipley Park Visitor Centre, Slack Lane, Heanor DE75 7GX. Free but need to book.
East Midlands Energy Summit, 8.30am - 1.30pm, Thursday 5 December, Nottingham Belfry, Mellors Way, Business Park NG8 6PY. Will "explore how Government, business, academia and civil society come together to ensure that clean growth can positively impact our futures and support the necessary action to be taken on climate change whilst providing the energy required to ensure sustainable growth." Organised by East Midlands Chamber with University of Nottingham, funded by European Regional Development Fund. Free event but need to book.
Sharing Sherwood - cooking a meal to share surplus food donated by supermarkets: second Sunday of the month, 6pm-8pm, Sherwood Methodist Church, Devon Drive NG5 2EN. Minimum donation £2.50 (children £1.50) - any surplus funds go to local foodbanks. Details from Sharing Sherwood Facebook.
Nottingham Friends of the Earth monthly meeting: 7.30pm, second Tuesday of the month, Vat & Fiddle (Visitors Room) Queensbridge Rd NG2 1NB.
Frack Free Notts monthly action planning meeting: 7pm, 2nd Monday of each month, Lincolnshire Poacher (upstairs room), 161 Mansfield Rd NG1 3FR. (The December meeting will be replaced by a Christmas social event elsewhere.) The January meeting will be discussing the future role of the group, perhaps widening the scope to consideration of technologies more broadly. Further info: frackfreenotts @ gmail.com.