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 …

Keystone XL could mean more carbon emissions than estimated: study

Building the Keystone XL pipeline could lead to as much as four times more greenhouse gas emissions than the State Department has estimated, according to a study published in the journal Nature Climate Change that uses different calculations about oil consumption. Emissions of heat-trapping carbon dioxide became central to the …

Does the solution to climate change lie in a giant SPONGE? Scientists create plastic mop that absorbs CO2

Scientists are frantically looking for new ways to combat global warming. And now a team has created a sponge that absorbs carbon dioxide, which many scientists say plays a key role in heating up our planet. They believe that the polymer – a large molecule used in plastics - could …

Multiyear predictability of tropical marine productivity

Phytoplankton is at the base of the marine food web. Its carbon fixation, the net primary productivity (NPP), sustains most living marine resources. In regions like the tropical Pacific (30°N–30°S), natural fluctuations of NPP have large impacts on marine ecosystems including fisheries. The capacity to predict these natural variations would …

NGO blames civic body for poor segregation

Citizens' group Nagrik Chetna Manch said on Sunday that the Pune Municipal Corporation (PMC) has neglected taking important measures, such as waste segregation at source, which could have averted the current garbage crisis. The Manch said that it had made repeated appeals to the corporation for the last three years …

Global temperatures may not increase by 4C by the end of this century

Global warming exists in computations and sometimes reconstruction but without much support from measurements directly by thermometers or indirectly by tide gauges. The global temperatures have not been exponentially rising but mostly oscillating over the last century about a constant longer term warming trend.

Carbon footprint of marine fisheries: life cycle analysis from Visakhapatnam

The contribution of marine fisheries in Visakhapatnam at all stages of its life cycle to climate change during 2010-2012 was studied by determining its carbon footprint. Pre-harvest phase included vessel construction and maintenance and provision of fishing gear; harvest phase included harvest from mechanized and motorized craft and post-harvest phase …

Impact of the Keystone XL pipeline on global oil markets and greenhouse gas emissions

Climate policy and analysis often focus on energy production and consumption, but seldom consider how energy transportation infrastructure shapes energy systems. US President Obama has recently brought these issues to the fore, stating that he would only approve the Keystone XL pipeline, connecting Canadian oil sands with US refineries and …

Cathay Pacific invests in sustainable biojet fuel developer

HONG KONG - Cathay Pacific Airways announced Thursday that it has invested in Fulcrum BioEnergy Inc, a US - based sustainable biofuel developer, as part of the airline's biofuel strategy and to help it achieve a target of carbon-neutral growth from 2020."These fuels are an important component of our sustainable …

Government calls for industry feedback as it prepares for CCS deployment

The Government reaffirmed its commitment to establishing a strong Carbon Capture Storage (CCS) industry in the UK with a scoping document released today (August 7) which summarises the CCS policy and calls for industry feedback. The document sets out Government aims to continuing engaging with the industry in order to …

Boeing, South African Airways to make jet fuel from tobacco

U.S. planemaker Boeing has teamed up with South African Airways to develop jet fuel from a tobacco plant as part of efforts to cut carbon emissions and promote green energy in Africa's most advanced economy. The jet fuel will be made from a hybrid tobacco plant known as Solaris, which …

Tiffany committed to new sustainable mining standard

Tiffany & Co. has reaffirmed its sustainability commitments through its work as a founding member of the Initiative for Responsible Mining Assurance (IRMA), according to the jewellery company's latest CSR report. The report, released today (5 August), announces that there has been significant progress in developing a global standard for …

Council emissions savings down 3% as recycling rate stalls

The amount of CO2 being saved by local councils in England and Wales through recycling fell by 3%, between 2011/12 and 2012/13, according to a new recycling report released last week. Eunomia's latest Recycling Carbon Index calculates the total carbon savings generated from recycling in local authorities, which saves the …

Sunderbans mangrove trees losing capacity to absorb CO2: Study

The vast mangrove forest in the Sunderbans is fast losing its capacity to absorb carbon dioxide, one of the main greenhouse gases, from the atmosphere due to rise in the salinity of water, rampant deforestation and pollution, a study has found. The mangrove forest, marsh grass, phytoplanktons, molluscus and other …

Keeping track of tourism’s carbon footprint

An Environmental Information System (EIS) for the tourism industry will be developed that will maintain data on carbon emissions, energy use and waste. This is a part of the low carbon tourism project initiated by the Association of Bhutanese Tour Operators (ABTO), with financial support from the European Union ‘switch …

World's top PR companies rule out working with climate deniers

Ten firms say they will not represent clients that deny man-made climate change or seek to block emisson-reducing regulations Some of the world’s top PR companies have for the first time publicly ruled out working with climate change deniers, marking a fundamental shift in the multi-billion dollar industry that has …

Climate Change: Carbon Soot in Wildfires Contributing to Global Warming

When it comes to wildfires, carbon dioxide is not the sole problem. The black and brown carbon, which are also released in biomass burning, cause much more global warming per unit weight. A new study by Stanford University Civil and Environmental Engineering Professor Mark Z Jacobson indicates that burning biomass …

Can ants save Earth from global warming?

Ants may be cooling the Earth by helping trap carbon dioxide from the environment, a new study has claimed. A long-term experiment tracking the ants' effects on soil suggests they cooled Earth's climate as their numbers grew. "Ants are changing the environment," said lead study author Ronald Dorn, from the …

SL's 'greenest' reinforces sustainability commitment

The Hirdaramani Group's Mihila Factory, recently re-certified itself as having completely offset it entire operational carbon footprint. Asia's first CarbonNeutral Apparel Manufacturer and the first in Sri Lanka to continually maintain its CarbonNeutral status over three years, the Mihila Factory continues to drive environmental sustainability as a vital aspect of …

US wants to link power pacts with climate change agreement

The trade dispute between the two countries about restrictions India imposes on imported solar power equipment was also part of the discussions A visiting US team has told Indian negotiators it would link pacts on the power sector to the agreement the two countries draw on climate change and one …

IMF urges higher energy taxes to fight climate change

Energy taxes in much of the world are far below what they should be to reflect the harmful environmental and health impact of fossil fuels use, the International Monetary Fund said in a new book on Thursday. For the first time, the IMF laid out exactly what it views as …

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