CO2 / PPM /Annual Averages / Data Source: noaa.gov 1980 338.91ppm 1981 340.11ppm 1982 340.86ppm 1983 342.53ppm 1984 344.07ppm 1985 345.54ppm 1986 346.97ppm 1987 348.68ppm 1988 351.16ppm 1989 352.78ppm 1990 354.05ppm 1991 355.39ppm 1992 356.1ppm 1993 356.83ppm 1994 358.33ppm 1995 360.18ppm 1996 361.93ppm 1997 363.04ppm 1998 365.7ppm 1999 367.8ppm 2000 368.97ppm 2001 370.57ppm 2002 372.59ppm 2003 375.14ppm 2004 376.96ppm 2005 378.97ppm 2006 381.13ppm 2007 382.9ppm 2008 385.01ppm 2009 386.5ppm 2010 388.76ppm 2011 390.63ppm 2012 392.65ppm 2013 395.39ppm 2014 397.34ppm 2015 399.65ppm 2016 403.09ppm 2017 405.22ppm 2018 407.62ppm 2019 410.07ppm 2020 412.44ppm 2021 414.72ppm 2022 418.56ppm 2023 421.08ppm 2024 424.61ppm 2025 427.35ppm
CO2 / PPM /Annual Averages / Data Source: noaa.gov 1980 338.91ppm 1981 340.11ppm 1982 340.86ppm 1983 342.53ppm 1984 344.07ppm 1985 345.54ppm 1986 346.97ppm 1987 348.68ppm 1988 351.16ppm 1989 352.78ppm 1990 354.05ppm 1991 355.39ppm 1992 356.1ppm 1993 356.83ppm 1994 358.33ppm 1995 360.18ppm 1996 361.93ppm 1997 363.04ppm 1998 365.7ppm 1999 367.8ppm 2000 368.97ppm 2001 370.57ppm 2002 372.59ppm 2003 375.14ppm 2004 376.96ppm 2005 378.97ppm 2006 381.13ppm 2007 382.9ppm 2008 385.01ppm 2009 386.5ppm 2010 388.76ppm 2011 390.63ppm 2012 392.65ppm 2013 395.39ppm 2014 397.34ppm 2015 399.65ppm 2016 403.09ppm 2017 405.22ppm 2018 407.62ppm 2019 410.07ppm 2020 412.44ppm 2021 414.72ppm 2022 418.56ppm 2023 421.08ppm 2024 424.61ppm 2025 427.35ppm

Renewables

Briefs
Briefs
Briefs
News & Views

Could the UK’s cash-strapped local authorities hold the key to a successful energy transition?

A place-based investment approach, including closer collaboration between private investors and the UK’s local authorities could play a vital role in bridging the climate finance gap, according to new research

Partner Content

Net Zero Investor 2025 Renewable Infrastructure Summit

What are the latest opportunities and trends in renewable infrastructure investing? Net Zero Investor brough together leading institutional investors and managers in an event hosted by Triple Point, and Arjun Infrastructure

News & Views

Why the UK’s foreign office is backing a $100m blended finance climate fund in the Pacific Islands

Camco has received backing from the UK Foreign Office and the New Zealand government to launch a first-of-its-kind fund in a bid to crowd-in private capital into the region’s energy transition

Briefs
News & Views

In pictures: NZI’s Renewable Infrastructure Summit 2025

Picture highlights from Net Zero Investor's second Renewable Infrastructure Summit in London

News & Views

Germany’s federal election - can the country salvage its energy transition?

Europe’s largest economy is heading to the polls this Sunday, how will the election impact the nation’s road to net zero?

News & Views

Phoenix’s Greg Scott on the UK’s renewable investment gap

As the UK pushes for private investment to drive economic growth, Greg Scott, senior investment manager at Phoenix Group, discusses the challenges of financing grid connectivity and renewable infrastructure

News & Views

Trump’s tariffs: a new headwind for clean energy infrastructure?

With Trump’s tariffs on steel and aluminium imports coming into effect in March, what will be the impact on investment in US infrastructure?

News & Views

Analysts see ‘buyer’s market’ in clean energy stocks

With listed clean energy firms having seen much of their market cap wiped out, could now be an opportune entry point to buying green energy stocks?

Streaming
Podcast

NZI with Atharva - Peter Boeskov on opportunities in wind

Net Zero Investor's head of research Atharva Deshmukh catches up with Peter Boeskov, chief commercial officer at the Export and Investment Fund of Denmark EIFO, which recently provided financing for Ørsted's Greater Changhua 4 project in Taiwan

icon roundtable

Inside Railpen’s push into UK renewable infrastructure and digital assets

Sitting down with Net Zero Investor, Cristiana Dochioiu discusses UK pension provider Railpen’s renewable infrastructure allocation, early-stage technology, and data centres

Briefs