Carbon Dioxide

Renewables 2024 global status report: global overview

This overview sets the scene for the various modules in the Renewables 2024 Global Status Report Collection. It provides high-level trends on the status of renewables in the wider fossil fuel-dominated energy system in the context of global challenges such as climate change, development goals and the geopolitical landscape. Urgent …

The greenhouse gas impacts of increased US oil and gas production

Increased oil and natural gas production in the United States has decreased domestic natural gas prices and global oil prices, with major economic and environmental consequences. The resulting greenhouse gas (GHG) impacts have received substantial attention, with most focus on natural gas and relatively little on oil. In this paper, …

Black Soldier Fly biowaste treatment – Assessment of global warming potential

Cities of low and middle-income countries face severe challenges in managing the increasing amount of waste produced, especially the organic fraction. Black Soldier Fly (BSF) biowaste treatment is an attractive treatment option as it offers a solution for waste management while also providing a protein source to help alleviate the …

Climate and air pollutant emissions benefits of bus technology options in São Paulo

In January 2018, the city of São Paulo, Brazil, adopted Law 16.802, an amendment to its Climate Change Law that sets 10-year and 20-year targets for fleetwide reductions in tailpipe emissions of fossil carbon dioxide (CO2) and the air pollutants particulate matter (PM) and nitrogen oxides (NOx). The aim of …

Shifting currents: opportunities for low-carbon electric cities in the Global South

The paper uses two criteria to identify cities in the Global South that today are candidates for electrification – replacing fossil fuel–powered vehicles, stoves, furnaces and other devices with electric alternatives. First, urban access to electricity (i.e., the percentage of people with a household electricity connection) must already be greater …

Environment and development: penalized non-parametric inference of global trends in deforestation, pollution and carbon

This paper revisits the issue of environment and development raised in the 1992 World Development Report, with new analysis tools and data. The paper discusses inference and interpretation in a machine learning framework. The results suggest that production gradually favors conserving the earth's resources as gross domestic product increases, but …

Noise and climate impacts of an unconstrained commercial supersonic network

This paper estimates the environmental impacts of reintroducing commercial supersonic transport (SST) aircraft into the global aviation fleet. Model the landing and takeoff (LTO) noise, sonic boom, and carbon dioxide (CO2) emissions from a new, unconstrained SST network of 2,000 in 2035. This fleet would support approximately 5,000 flights per …

The future of rail: opportunities for energy and the environment

Rail is among the most energy efficient modes of transport for freight and passengers, yet is often neglected in public debate, according to a new report by the International Energy Agency prepared in cooperation with the International Union of Railways (UIC). The Future of Rail is the latest in the …

Faster CO2 rise expected this year: Study

The Earth this year may witness one of the largest increase in atmospheric carbon dioxide in over six decades of record keeping, scientists say. The forecast by researchers from the UK Met Office and University of Exeter is based on a combination of factors including rising anthropogenic emissions and a …

Use high-quality coal in power plants: Environment ministry on CO2 release

More than 80% of the country's coal is produced by Coal India Ltd, which operates under the Ministry of Coal Expressing concern over serious environmental ramifications of carbon dioxide emissions from piles of ash lying at power plants, a top official of the Ministry of Environment, Forests and Climate Change …

'Worried about climate change, but can't stop chartering private jets'

It forecast nearly 1,500 private jet flights over the week of the World Economic The Davos elite say they are more worried than ever about climate change. But that isn't stopping them chartering private jets in record numbers. The convenience and comfort of flying privately rather than commercially appears to …

Analysis warns of lack of progress on 2020 global emissions target

Removing coal from the global energy mix is taking too long, too many forests are still being destroyed, and fossil fuel subsidies are ongoing despite their distorting effect on the market, a study has found. There has also been insufficient progress in agriculture to stop harmful practices that increase carbon …

EU-Japan seminar presents long-term climate change strategies for 2050

A EU-Japan joint policy seminar on the theme of climate change took place at the office of the Delegation of EU in Tokyo on Jan 17. The event brought together European Commissioners, Japanese ministers and businessmen discussing EU and Japan’s long-term climate change strategies. The European strategy mainly consists of …

Issue of climate change already covered, says NGT

Climate change is certainly a matter already covered in the environmental impact assessment, the NGT said on Wednesday as it disposed of a 9-year-old girl's petition alleging inaction by the Centre to mitigate the adverse impact of climate change. The green tribunal was hearing a plea filed by a resident …

Searching for carbon leaks in multinational companies

Does unilateral climate change policy cause companies to shift the location of production, thereby creating carbon leakage? In this paper, the authors analyse the effect of the European Union Emissions Trading System (EU ETS) on the geographical distribution of carbon emissions of multinational companies. The empirical evidence is based on …

Remote sensing to detect vehicular pollution in Delhi

NEW DELHI: By next winter, a new sensor-based technology could be used to find out the amount of pollution each vehicle causes as it enters Delhi. The remote-sensing technology is in the testing phase at present with the International Centre for Automotive Technology (ICAT) conducting a study. The Supreme Court-appointed …

India's plan to breathe easy is out, but targets are not legally binding

The Indian government has unveiled its long-awaited National Clean Air Programme (NCAP) that aims at a 20-30 percent reduction of particulate matter (PM) concentration over the next five years, with an overall goal of mitigating air pollution and improving air quality in the country, which has some of the world's …

CO2 emission standards for passenger cars and light-commercial vehicles in the European Union

On December 17, 2018, representatives of the European Commission, the European Parliament, and the European Council agreed on a compromise for the European Union (EU) regulation setting binding carbon dioxide (CO2) emission targets for new passenger cars and light-commercial vehicles for 2025 and 2030. The agreed-upon targets aim to reduce …

International evaluation of public policies for electromobility in urban fleets

In a collaboration between Deutsche Gesellschaft für International Zusammenarbeit (GIZ) and the International Council on Clean Transportation (ICCT), this study reviews international experiences in public policies for electromobility in urban fleets and explores how they could be implemented in Brazil. Transportation electrification is viewed as a key measure to reduce …

Understanding the economic impacts of greenhouse gas mitigation policies on shipping: what is the state of the art of current modeling approaches?

The International Maritime Organization’s initial strategy on reduction of greenhouse gas emissions from ships stipulates that the international shipping sector should assess the impacts on states prior to adoption of the mitigation measures included in the strategy. This assessment should be undertaken as a matter of urgency, and disproportionately negative …

Climate change and the global dairy cattle sector

This report is an attempt to understand the contribution of the dairy sector to global emissions between 2005 and 2015 as a further step towards addressing the challenge of climate change and defining a low-carbon pathway for the sector.

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