London: Current climate pledges focus too much on land-based carbon sinks such as tree planting rather than food production and biodiversity, researchers from Australia, Denmark, Sweden and elsewhere said in a report on Tuesday (November 1). Scientists agree land use, including forestation, must be part of the fight against climate change and the International Panel on Climate Change says tropical deforestation must be reversed by 2030 to limit global warming to 1.5 degrees Celsius (2.7 degrees Fahrenheit).
At the COP26 climate summit last year, 145 countries signed a declaration on forests and land use promising to protect biodiversity and the needs of local communities, with a focus on protecting existing forests and other ecosystems. The summit also resulted in a framework for global carbon markets and how to funnel finance to carbon-reducing projects, for example in forestation.
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But ahead of the COP27 climate summit in Egypt this month, The Land Gap report authors said too many climate pledges by countries and companies focused on planting trees to offset continued emissions rather than slashing them outright.
Environmental activist groups such as Greenpeace have already come out strongly against the idea of boosting a market to trade carbon offsets rather than erase emissions. Moreover, it is hard to determine a global average CO2-storing potential for different types of forests and land use.
Determining the carbon sequestration potential of lands and land uses is a raging debate, said Rob Jackson, Earth System Science professor at Stanford University.
This report, however, attempts to put a number on the amount of land this practice might require. Around 1.2 billion hectares of land would have to earmarked for carbon dioxide removal to fulfil countries’ climate pledges – an area larger than the United States or almost four times the size of India, according to the authors.
Countries treat land like a limitless resource in their climate plans, said Kate Dooley, lead author and a researcher at the University of Melbourne.
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How much carbon budget do we have left?
Using a land area equivalent to half of current global croplands for tree planting simply won’t work. The focus should be on stopping deforestation of standing forests rather than planting monocultures of new trees which can be more susceptible to fires and draught on land that could be used for food, the Land Gap report authors said.
Dooley said that restoring existing degraded forests, rangelands and farmlands of around 551 million hectares would be a reasonable target.
Natural climate solutions are important but probably can’t offset more than a quarter of annual global fossil emissions of around 40 gigatonnes of CO2 equivalent, Mr. Jackson said.
The criticism is not just levelled at countries but also companies.
Corporations are currently pushing for scale in the voluntary carbon markets to service claims of carbon neutrality, but no one is doing the math on what is actually possible, said co-author Jens Friis Lund of the University of Copenhagen.
Meanwhile in Brazil, home to the Amazon rainforest crucial to cooling the earth’s climate, leftist Luiz Inacio Lula da Silva won Sunday’s election, vowing to attract foreign investment to protect its shrinking rainforest.
(This story has not been edited by NDTV staff and is published from a syndicated feed.)
NDTV – Dettol have been working towards a clean and healthy India since 2014 via the Banega Swachh India initiative, which is helmed by Campaign Ambassador Amitabh Bachchan. The campaign aims to highlight the inter-dependency of humans and the environment, and of humans on one another with the focus on One Health, One Planet, One Future – Leaving No One Behind. It stresses on the need to take care of, and consider, everyone’s health in India – especially vulnerable communities – the LGBTQ population, indigenous people, India’s different tribes, ethnic and linguistic minorities, people with disabilities, migrants, geographically remote populations, gender and sexual minorities. In wake of the current COVID-19 pandemic, the need for WASH (Water, Sanitation and Hygiene) is reaffirmed as handwashing is one of the ways to prevent Coronavirus infection and other diseases. The campaign will continue to raise awareness on the same along with focussing on the importance of nutrition and healthcare for women and children, fight malnutrition, mental wellbeing, self care, science and health, adolescent health & gender awareness. Along with the health of people, the campaign has realised the need to also take care of the health of the eco-system. Our environment is fragile due to human activity, which is not only over-exploiting available resources, but also generating immense pollution as a result of using and extracting those resources. The imbalance has also led to immense biodiversity loss that has caused one of the biggest threats to human survival – climate change. It has now been described as a “code red for humanity.” The campaign will continue to cover issues like air pollution, waste management, plastic ban, manual scavenging and sanitation workers and menstrual hygiene. Banega Swasth India will also be taking forward the dream of Swasth Bharat, the campaign feels that only a Swachh or clean India where toilets are used and open defecation free (ODF) status achieved as part of the Swachh Bharat Abhiyan launched by Prime Minister Narendra Modi in 2014, can eradicate diseases like diarrhoea and the country can become a Swasth or healthy India.
