Waste management ≈ Waste management
View article
IPCC special report on carbon dioxide capture and storage Open
Prepared by the Intergovernmental Panel on Climate Change, this report assesses the current state of knowledge regarding the technical, scientific, environmental, economic, and societal dimensions of carbon dioxide capture and storage, and…
View article
An overview of chemical additives present in plastics: Migration, release, fate and environmental impact during their use, disposal and recycling Open
Over the last 60 years plastics production has increased manifold, owing to their inexpensive, multipurpose, durable and lightweight nature. These characteristics have raised the demand for plastic materials that will continue to grow over…
View article
Natural climate solutions Open
Significance Most nations recently agreed to hold global average temperature rise to well below 2 °C. We examine how much climate mitigation nature can contribute to this goal with a comprehensive analysis of “natural climate solutions” (N…
View article
Degradation Rates of Plastics in the Environment Open
Plastic waste is currently generated at a rate approaching 400 Mt year–1. The amount of plastics accumulating in the environment is growing rapidly, yet our understanding of its persistence is very limited. This Perspective summarizes the …
View article
Predicted growth in plastic waste exceeds efforts to mitigate plastic pollution Open
A mess of plastic It is not clear what strategies will be most effective in mitigating harm from the global problem of plastic pollution. Borrelle et al. and Lau et al. discuss possible solutions and their impacts. Both groups found that s…
View article
What would it take for renewably powered electrosynthesis to displace petrochemical processes? Open
BACKGROUND As the world continues to transition toward carbon emissions–free energy technologies, there remains a need to also reduce the carbon emissions of the chemical production industry. Today many of the world’s chemicals are produce…
View article
Ammonia for power Open
A potential enabler of a low carbon economy is the energy vector hydrogen. However, issues associated with hydrogen storage and distribution are currently a barrier for its implementation. Hence, other indirect storage media such as ammoni…
View article
Beyond fossil fuel–driven nitrogen transformations Open
Transforming nitrogen without carbon How much carbon does it take to make nitric acid? The counterintuitive answer nowadays is quite a lot. Nitric acid is manufactured by ammonia oxidation, and all the hydrogen to make ammonia via the Habe…
View article
Future scenarios of global plastic waste generation and disposal Open
The accumulation of mismanaged plastic waste (MPW) in the environment is a global growing concern. Knowing with precision where litter is generated is important to target priority areas for the implementation of mitigation policies. In thi…
View article
Direct Capture of CO<sub>2</sub> from Ambient Air Open
The increase in the global atmospheric CO2 concentration resulting from over a century of combustion of fossil fuels has been associated with significant global climate change. With the global population increase driving continued increase…
View article
Science and technology of ammonia combustion Open
This paper focuses on the potential use of ammonia as a carbon-free fuel, and covers recent advances in the development of ammonia combustion technology and its underlying chemistry. Fulfilling the COP21 Paris Agreement requires the de-car…
View article
Waste Mismanagement in Developing Countries: A Review of Global Issues Open
Environmental contamination due to solid waste mismanagement is a global issue. Open dumping and open burning are the main implemented waste treatment and final disposal systems, mainly visible in low-income countries. This paper reviews t…
View article
Taxonomy, Physiology, and Natural Products of Actinobacteria Open
SUMMARY Actinobacteria are Gram-positive bacteria with high G+C DNA content that constitute one of the largest bacterial phyla, and they are ubiquitously distributed in both aquatic and terrestrial ecosystems. Many Actinobacteria have a my…
View article
Hydrogen production by PEM water electrolysis – A review Open
Hydrogen is the most efficient energy carrier. Hydrogen can be obtained from different sources of raw materials including water. Among many hydrogen production methods, eco-friendly and high purity of hydrogen can be obtained by water elec…
View article
Paving the Way for Lignin Valorisation: Recent Advances in Bioengineering, Biorefining and Catalysis Open
Lignin is an abundant biopolymer with a high carbon content and high aromaticity. Despite its potential as a raw material for the fuel and chemical industries, lignin remains the most poorly utilised of the lignocellulosic biopolymers. Eff…
View article
Densely Connected Convolutional Networks Open
Recent work has shown that convolutional networks can be substantially deeper, more accurate, and efficient to train if they contain shorter connections between layers close to the input and those close to the output. In this paper, we emb…
View article
Removal of heavy metal ions from wastewater: a comprehensive and critical review Open
Removal of heavy metal ions from wastewater is of prime importance for a clean environment and human health. Different reported methods were devoted to heavy metal ions removal from various wastewater sources. These methods could be classi…
View article
Characteristics and adsorption capacities of low-cost sorbents for wastewater treatment: A review Open
Low-cost by-products from agricultural, household and industrial sectors have been recognized as a sustainable solution for wastewater treatment. They allow achieving the removal of pollutants from wastewater and at same time to contribute…
View article
Role of Biocatalysis in Sustainable Chemistry Open
Based on the principles and metrics of green chemistry and sustainable development, biocatalysis is both a green and sustainable technology. This is largely a result of the spectacular advances in molecular biology and biotechnology achiev…
View article
Solid waste issue: Sources, composition, disposal, recycling, and valorization Open
Disposal of solid wastes is a stinging and widespread problem in both urban and rural areas in many developed and developing countries. Municipal solid waste (MSW) collection and disposal is one of the major problems of urban environment i…
View article
Beyond Mechanical Recycling: Giving New Life to Plastic Waste Open
Increasing the stream of recycled plastic necessitates an approach beyond the traditional recycling via melting and re‐extrusion. Various chemical recycling processes have great potential to enhance recycling rates. In this Review, a summa…
View article
A New Strategy for Heavy Metal Polluted Environments: A Review of Microbial Biosorbents Open
Persistent heavy metal pollution poses a major threat to all life forms in the environment due to its toxic effects. These metals are very reactive at low concentrations and can accumulate in the food web, causing severe public health conc…
View article
Evaluating scenarios toward zero plastic pollution Open
A mess of plastic It is not clear what strategies will be most effective in mitigating harm from the global problem of plastic pollution. Borrelle et al. and Lau et al. discuss possible solutions and their impacts. Both groups found that s…
View article
Water electrolysis: from textbook knowledge to the latest scientific strategies and industrial developments Open
Replacing fossil fuels with energy sources and carriers that are sustainable, environmentally benign, and affordable is amongst the most pressing challenges for future socio-economic development.
View article
Negative emissions—Part 2: Costs, potentials and side effects Open
The most recent IPCC assessment has shown an important role for negative emissions technologies (NETs) in limiting global warming to 2 °C cost-effectively. However, a bottom-up, systematic, reproducible, and transparent literature assessme…
View article
Applications of Continuous-Flow Photochemistry in Organic Synthesis, Material Science, and Water Treatment Open
Continuous-flow photochemistry in microreactors receives a lot of attention from researchers in academia and industry as this technology provides reduced reaction times, higher selectivities, straightforward scalability, and the possibilit…
View article
General Techno-Economic Analysis of CO<sub>2</sub> Electrolysis Systems Open
The electrochemical reduction of carbon dioxide (CO2) has received significant attention in academic research, although the techno-economic prospects of the technology for the large-scale production of chemicals are unclear. In this work, …
View article
Mechanical Recycling of Packaging Plastics: A Review Open
The current global plastics economy is highly linear, with the exceptional performance and low carbon footprint of polymeric materials at odds with dramatic increases in plastic waste. Transitioning to a circular economy that retains plast…
View article
Membrane Technologies in Wastewater Treatment: A Review Open
In the face of water shortages, the world seeks to explore all available options in reducing the over exploitation of limited freshwater resources. One of the surest available water resources is wastewater. As the population grows, industr…
View article
Bioremediation techniques–classification based on site of application: principles, advantages, limitations and prospects Open
Environmental pollution has been on the rise in the past few decades owing to increased human activities on energy reservoirs, unsafe agricultural practices and rapid industrialization. Amongst the pollutants that are of environmental and …