January 1 - CNHS survey to the Backs
January 3/4 - Quadrantid meteors
January 4 - Eclipse of the Sun
January 9 - CBG outing to Lincs
January 14 - CBC talk, Ian Newton on Bird Migration
January 17 - CNHS Council Meeting
January 21 - Ecology lunchtime seminar Who killed the megafauna?  A tale of climate change murder and mystery. David Williams & Graham Prescott
January 22 - CBG outing to Lady's Wood and Raveley Wood
January 25 - CUSS talk, Charles Clover on The end of the Line: How overfishing is changing the world and what we eat.
January 26 - CCF Seminar: Climate change: prediction of bird numbers in the UK and adaptation of reserves – Ali Johnston, British Trust for Ornithology
January 26 - CWT talk, Simon Damant on The Wildlife of the Wimpole Estate
January 29 - 30 - RSPB Big Garden Birdwatch
January 30 - CLG visit to Anglesey Abbey
January 30 - CPPF Guided walk at Coton, 10am
February 3 - CNHS talk, Inigo Everson on Lake Victoria, the people and their fisheries
February 5 - CLG visit to The Backs
February 5 - CPPF Birdbox day at Wandlebury, from 11am
February 6 - CBG outing to Beds
February 10 - CNHS talk, Oliver Rackham on The Hayley Wood story up to date
February 11 - CBC talk, Paul Waring on Cambridge extreme mothing
February 11 - CaCaFo talks on Zero Carbon Britain in 2030
February 12 - CLG visit to Swanton Novers
February 15 - BEE seminar, Ben Phalan on "Can we have our tropical biodiversity and eat it too?"
February 17 - CNHS talk, Peter Grubb on Madagascan vegetation: an introduction to its richness
February 19 - CBG outing to Northants
February 20 - CNHS field study of The Backs
February 23 - CWT talk, Brian Eversham on Overlooked Wildlife
March 3 - CNHS talk, Catharina Karlsson on Studying the behaviour of Alpine ibex
March 6 - CBG outing to Warboys Wood
March 8 - BEE seminar, Rob Ewers on Ecological changes in modified landscapes
March 9 - FRRFD AGM and talk, Peter Carey on The conservation of chalk grassland flora: orchids and butterflies 7:30pm Fulbourn
March 10 - CNHS talk, John Cornell on CPERC, who we are, what we do and why its important for local biodiversity
March 11 - CBC AGM and talk, Christoph Zockler on The spoon-billed sandpiper - on the brink of extinction ?
March 16 - NNRA talk, Philomena Guillebaud on Cambridge's West Side Story, 8pm CMS.
March 17 - CNHS talk, Bob Headland on Exploration and Exploitation of the Arctic: Hunters and Trappers, Whalers and Sealers
March 17 - Fen Edge Archaeology Group  talk, Robin Standring on Bumps, Bombs and Birds: the Historic Environment of RSPB Reserves.
March 19 - CBG outing to Herts
March 20 - CNHS field study of The Backs
March 20 - CPPF guided walk at Coton
March 14 - 27 - Cambridge Science Festival includes many talks and events with a natural history slant
March 24 - CNHS talk, Ken McNamara on Stromatolites
March 24 - Cambridge Science Festival talk by Brian Eversham
March 27 - CPPF Science Festival at Wandlebury
March 30 - CWT talk, Ruth Hawksley on Water Voles
April 2 - MMC foray to Hitch Wood
April 3 - CBG outing to Little Paxton
April 7 - CNHS talk, Jonathan Shanklin on Weather, Climate and Ozone: an Antarctic perspective
April 8 - CBC talk, Andrew Lack on Robins in our lives
April 10 - CNHS visit to Gamlingay Cinques, Meadow and Wood
April 14 - CPERC Planning and Biodiversity Conference
April 14 - FFDRR talk, Kevin Leahy on The Staffordshire Treasure
April 16 - CFG meeting, Great Covens Wood & Park Wood
April 16 - RSPB field trip to Redgrave and Lopham Fen
April 17 - CNHS field study of The Backs
April 17 - CPPF launch way-marked walks at Coton
April 19 - CNHS Council meeting
April 20 - RSPB Wildlife of Central Portugal
April 22 - WT Bluebell walk, Thorpe Wood
April 25 - WT Bluebell walk, Lady's Wood
April 27 - CWT talk, Nick Greaterex-Davies on The Butterflies of Cambridgeshire
April 30 - WT Bluebell walk, Brampton Wood
May 1 - International Dawn Chorus Day.  WT event at Cambourne, 4am.
May 1 - MMC foray to Hauxton Pits
May 1 - WT Bluebell walk, Waresley & Gransden Wood
May 1 -2 - WT Bluebell walk, Short Wood
May 6 - Symposium on Biodiversity and Endangered Species, Fitzwilliam College
May 7 - RSPB field trip to Fowlmere
May 8 - CNHS visit to Therfield Heath
May 8 - RSPB field trip to Paxton Lakes
May 10 - CUSS talk, Anne Cook on Infection and autoimmunity
May 11 - CPPF Nature activity session for adults at Wandlebury
May 12 - CPPF guided walk at Coton
May 13 - CBC talk, Hugh Venables on Falklands, South Georgia and Antarctic Research Cruises
May 14 - WT Guided walk at the CRT Barton, 10:30am
May 2 - 16 - Exhibition of endangered species at Michaelhouse
May 18 - RSPB AGM
May 18 - CCF Summer Social, Madingley Hall
May 19 - CNHS field study of The Backs
May 21 - CNHS visit to Bradfield Woods
May 22 - MMC AGM at Gamlingay Wood, 10:30am
May 22 - WT plant sale at Cambourne, 2pm
May 25 - CNHS visit to Byron's Pool, 6:30pm
May 25 - CWT bat walk at Byrons Pool, 8:30pm
May 28 - RSPB evening walk to Nene Washes
June 2 - CNHS visit to the Guided Busway
June 2 - RSPB/FEAG talk on the Prehistoric Environment and Archaeology of Ouse Fen and Willingham Mere 
June 4 - CFG meeting, Soham
June 4 - CPPF plantlore walk at Wandlebury
June 5 - RSPB field trip to Minsmere
June 4 -12 - RSPB Make Nature Count.  
June 6 -12 - WT Garden Watch
June 8 - CPPF guided walk at Coton
June 10 - David Attenborough in store at Waterstones from 12 noon.
June 12 - CPPF Open Farm Sunday at Coton
June 15 - RSPB field trip to Wicken Fen
June 15 - Lunar eclipse
June 17 -18 - CNHS Conversazione
June 23 - CCF Summer Symposium on localism and the environment
June 23 - CNHS field study of The Backs
June 25 - CNHS visit to Sutton Hoo
June 25 - RSPB field trip to Rainham Marshes
June 26 - CPPF midsummer guided walk at Coton
June 27 - CHLHS talk, Barrie Fuller on Cherry Hinton an evolved landscape through the water, 7:30pm St Andrews.
June 29 - CWT guided walk round East Pit, 7:30pm
July 2 - 3 - Dragonfly safaris at Wicken Fen
July 3 - CNHS visit to Shepreth L-moor
July 7 - CNHS visit to Bramblefields LNR
July 9 - CFG meeting, Great & Little Chishill
July 9 - RSPB field trip to Lackford Lakes
July 11 - CGC Open evening
July 13 - Cactus Society, Paul Hoxey on 10 years of exploring Peru
July 21 - CNHS field study of The Backs
July 22 - 23 -University of Cambridge Bioblitz in the Botanic Garden
July 23 - CFG meeting, Wicken Fen
July 23 - RSPB field trip to Cavenham Heath
July 23 - CPPF mammal day at Wandlebury
July 23 - 24 - Dragonfly safaris at Wicken Fen
July 27 - CWT visit to East Pit, 10pm
July 28 - CPPF summer stroll round Coton
August 4 - 5 - Cottenham Summer School "Wildlife Walks"
August 6 - CPERC Recorders Meeting, Waterbeach Barracks
August 7 - CNHS visit to Pegsdon Hills
August 13 - CFG meeting, Doddington
August 20 - RSPB field trip to Snettisham and Titchwell
August 20 - CPPF Bats for Beginners at Wandlebury
August 27 - 29 - Dragonfly safaris at Wicken Fen
August 28 - CNHS field study of The Backs
August 28 - 29 - Quy fair
August 31 - CWT bat walk to Paradise and Newnham, 8pm
September 4 - CPPF Guided walk around the Coton Countryside Reserve
September 9 - CBC talk, David Lindo on The Urban Birder
September 10 - CGC meeting on The Geology and Landscape of Cambridgeshire
September 12 - CGC talk, Sally Gibson on Geology of the Azores
September 13 - CNHS Council meeting
September 16 - Friends of Stourbridge Common AGM, speaker Brian Eversham
September 17 - CPPF Tree identification at Wandlebury
September 22 - ARU Freshers Fair. 
September 24 - CFG excursion to Soham
September 25 - CNHS field study of The Backs
September 25 - World rivers day
September 28 - CWT talk, Murray Corke on Otters in Cambridgeshire
October 1 - MMC foray to Hardwick Wood
October 1 - CPPF Apple and Orchard Day at Wandlebury
October 6 - CNHS talk, Pat Doody on Portholme Meadows
October 8 - CBG excursion to Grafham Water
October 10 - CGC talk, Richard West on Geology of the Little Ouse and Waveney Valleys
October 12 - CPPF Moonlit Walk at Wandlebury
October 13 - CNHS talk, Pippa Noon on Managing the Cam
October 14 - CBC talk, Mike Toms on Gardens - Good for birds ?
October 15 - CNHS visit to Cooper's Hill
October 15 - CPPF Guided walk around Coton Countryside Reserve
October 15 - MMC foray to Paxton Pits
October 20 - CNHS talk, Clarke Brunt on Collecting and cultivating cacti
October 22 - MMC foray to Hitch Wood
October 23 - CBG excursion to RSPB Sandy
October 26 - CWT talk, Agnetta Burton on OPAL
October 27 - CUSS talk, Brian Ford on the Biochemistry of Autumn - Why do the leaves fall ?
October 29 - CNHS fungal foray, Botanic Garden
October 30 - CNHS field study of The Backs - fungal focus
November 2 - BioSoc talk, Ottoline Leyser on Branching out - how plants decide what to do.
November 3 - CNHS talk, Ruth Swetnam on Mapping the land use of Britain
November 5 - CBG excursion to Ouse Washes scrapes
November 5 - MMC foray to Waterbeach Barracks
November 10 - CNHS talk, Ken McNamara on The star-crossed stone
November 11 - CBC talk, Stuart Newsom on Are Deer to blame for woodland bird declines ?
November 12 - CPPF GPS navigation session at Coton
November 13 - CLG excursion to Waresley church and Gamlingay Wood
November 14 - CGC talk, Martin Whitely on The Geology and Landscape of Bedfordshire
November 16 - BioSoc talk, Steve Jones on Incest and Folk-dancing: Two things to avoid
November 17 - CNHS talk, Lynne Farrell on A botanist on Mull
November 19 - CNHS visit to Mildenhall Woods
November 20 - CNHS field study of The Backs - introduction to bryophytes
November 24 - CNHS talk, Hayley Frend on Mammals and milk
November 28 - CRT meeting, The Bourn Free project
November 30 - CWT talk, Toby Carter on Are Honeybees really in trouble ?
December 3 - CBG excursion to Hinchinbrooke and Cow Lane Gravel Pits
December 3 - Essex Field Club Annual Exhibition, Basildon
December 8 - CNHS Christmas meal at the Golden Hind
December 9 - CBC Christmas Social
December 10 - CCF work party at Hayley Wood
December 11 - CLG excursion to Ascension burial ground
December 12 - CGC talk, Nigel Woodcock on The Acadian Orogeny: what, where, when and why
December 18 - CBG excursion, somewhere in the fens
December 26 - MMC foray to Therfield Heath
December 31 - CBG excursion, Ashwell and west Bedfordshire [Cancelled]

Abbreviations: 
BEE - Behaviour, Ecology and Evolution Seminars, 4pm Zoology part II lecture theatre.
BioSoc  - CU Biological Society
CBG -  Cambridge Bryological Group
CBC - Cambridgeshire Bird Club
CCF - Cambridge Conservation Forum
CFG - Cambridgeshire Flora Group.  Meetings start at 10am
CGC - Cambridgeshire Geology Club
CLG - Cambridge Lichen Group - contact Louise Bacon at CPBERC.
CPPF - Cambridge Past, Present & Future (Cambridge Preservation Society) - Contact Caroline Grohler for details.  Booking is usually required
CUMS - CU Mycological Society
CUPS - CU Physics Society  
CUSS - Cambridge University Scientific Society
CUVZS - CU Veterinary  Zoological  Society.
CWT - Cambridge city group of the Wildlife Trust
FRRFD - Friends of the Roman Road and Fleam Dyke
HFFS - Hunts Flora and Fauna Society
LNR - Local Nature Reserve.  These events may require booking.  Contact Ellis Selway.
MMC - Melbourn Mushroom Club
RSPB - Cambridge RSPB local group
SHNH - Society for the History of Natural History
SS - Cambridge Sustainable City events
WT - other Wildlife Trust events