Carla Suzanne Denyer (born 1985) is a British politician who has served as co-leader of the Green Party of England and Wales alongside Adrian Ramsay since 1 October 2021. She has been a city councillor in Bristol since 2015 (initially for Clifton East ward, and since the 2016 boundary changes for Clifton Down). She is also noted for her lead role in bringing about Bristol City Council's declaration of a climate emergency in 2018, which was the first in Europe.

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Quick Facts Co-leader of the Green Party of England and Wales, Deputy ...

Carla Denyer
Denyer in October 2022
Co-leader of the Green Party of England and Wales
Incumbent
Assumed office 1 October 2021 Serving with Adrian Ramsay
Deputy	Amelia Womack Zack Polanski
Preceded by	Siân Berry
Bristol City Councillor for Clifton Down Clifton East (2015–2016)
Incumbent
Assumed office 7 May 2015
Personal details
Born	Carla Suzanne Denyer 1985 (age 38–39)
Political party	Green Party of England and Wales
Alma mater	Durham University

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Denyer studied mechanical engineering at St Chad's College, Durham from 2005 to 2009,^[1][2] beginning her environmental activism as an environmental representative at her college.^[3] She went on to work in the wind energy sector, working for a Bristol-based renewable energy consultancy, GL Garrad Hassan,^[4][5] from 2009 until shifting her career to politics.^[6][7]

Denyer joined the Green Party in 2011.^{[citation needed]} From 2012 she developed an interest in ethical investment and specifically fossil-fuel divestment through participation in the Quakers and the UK Fossil Free campaign. She participated in bringing about British Quakers' divestment from fossil fuels.^[8]

Following her work on the Quakers' divestment, Denyer became a leading figure in the campaign for the University of Bristol to divest from fossil fuels, first tabling a motion in her capacity as a city councillor sitting on one of the university's governance bodies in November 2015.^[8][9] Despite initial defeats,^[10] the campaign succeeded in March 2017.^[11][12] Denyer has also been active since at least 2015 in the ongoing campaign calling on Avon Pension Fund to divest from fossil fuels.^{[13][14][8][15]}

Denyer was first elected to Bristol City Council as a Green Party councillor for Clifton East in 2015.^[16] After boundary changes, she was elected as councillor for Clifton Down in 2016.^[17] She was re-elected as a councillor in 2021 with an increased majority, in the context of growing support for the Green Party in Bristol.^[18][19] In June 2021, Denyer was appointed as the Green Party's housing and communities spokesperson,^[20] and in July 2021, she took on the role of shadowing Bristol's Labour cabinet on climate and ecology, holding the position jointly with Lily Fitzgibbon.^[21]

In 2018, Denyer proposed a successful motion to bring about Bristol City Council's declaration of a climate emergency.^[22] This was the first such declaration by a UK council, and one of the first in the world.^[23][24][25] Denyer has been seen as a key figure in launching a movement of government climate-emergency declarations.^[26][27] BBC news credited Denyer with the idea of first putting forward 'the idea of a local area declaring a climate emergency'.^[28] Denyer's motion was described in The Independent as "the historic first motion" which by July 2019 had been "copied by more than 400 local authorities and parliament".^[29]

As of 2019, Denyer remained critical of Bristol's progress towards achieving its goal,^[30][3] and particularly of the planned expansion of Bristol Airport.^[31] She criticised the UK government's lack of support for environmental policies, noting that the political will existed in local government.^[32] In 2020, she welcomed Bristol's declaration of an ecological emergency due to loss of wildlife.^[33]

Denyer also campaigned extensively on transport; work included trying to introduce congestion charging to Bristol^[34][35] and seeking 'a major upgrade of Bristol's transport, with safe connected cycling routes, a joined up and efficient bus network and a levy on corporate parking to raise funds for more improvements'.^[35][36] In June 2021, she criticised Bristol Airport for claiming to be on course to be carbon neutral without taking emissions from flights, travel to and from the airport, or car parking into account.^[37] In 2020, she helped institute a Green Party policy to ban advertisements for polluting products such as SUVs and flights,^[38] and pushed for a similar policy in advertising controlled by Bristol City Council.^[39]

Her other campaigning has included improving conditions for people renting their homes,^[40][41] and opposing council tax increases for poorer taxpayers^[42][43] while seeking what Denyer has described as "more ambition from the mayor's office in tackling austerity" by calling for the city to raise the top band of council tax.^[34]

On 16 August 2021, Denyer announced her joint candidacy for leader of the Green Party alongside former deputy leader Adrian Ramsay on a co-leadership platform.^[54][55] They were both elected on 1 October 2021.^[56] Denyer became the first openly bisexual leader of a major political party in England.^[57]

In June 2022, Denyer announced her intention to run for MP for Bristol West in the next general election.^[58] In June 2023, Denyer began her campaign to become MP for Bristol Central, the successor constituency to Bristol West created from the 2023 Periodic Review of Westminster constituencies.^[59]

She is standing down as a councillor at the 2024 Bristol City Council election.^[60]

Denyer received a "special mention" in the Local Government Information Unit's Councillor Achievement Awards in the category "Environment and Sustainability Pioneer" (October 2019).^[61][62][63] She received the UK Local Government Association's 2018–2019 Clarence Barrett Award for outstanding achievement "for her work on the Climate Emergency motion which has been carried forward by councils everywhere".^[64][65] In 2020, she was named in the sustainability category by the Women's Engineering Society as one of the UK's top fifty women in engineering, with the commendation focusing on her climate emergency motion,^{[66][67][68][69]} and in Bristol Live's "Pink List" of the most influential LGBT+ people in Bristol.^[70]

In 2019, Denyer was also nominated for the Bristol Diversity Awards in the politician category,^[71] and was involved in her employer's achievement of the Best Promotional Incentive Award in the 2013 Travelwest Sustainable Business Travel Awards for encouraging staff car-sharing.^[4]

In December 2015, Denyer stated that she is a Nontheist Quaker.^[72] She describes herself as bisexual or pansexual.^[73]