Higher education leaders, policymakers, and the private sector should take a range of actions to strengthen STEM programs and degree attainment in the nation’s Minority Serving Institutions (MSIs), says a new report from the National Academies of Sciences, Engineering, and Medicine.

With the recent 22% rise in the price of uranium, Peter Epstein of Epstein Research considers the upside for Skyharbour's holdings in the Athabasca Basin.

With the recent 22% rise in the price of uranium, Peter Epstein of Epstein Research considers the upside for Skyharbour's holdings in the Athabasca Basin.

Under pressure from rising food prices, many nations have begun to acquire large tracts of agricultural land in foreign countries, a practice known as ‘land grabbing’. New research has now quantified current levels of land grabbing and demonstrated that it is accompanied by concerning levels of ‘water grabbing’ which could affect water supply in the ‘grabbed’ countries.

The ability of the Earth’s living systems to store carbon could play a vital role in the mitigation of climate change. A new report suggests that, in coming decades, safeguarding and restoring carbon in ecosystems has the potential to prevent well over 50 gigatonnes (Gt) of carbon entering the atmosphere.

Global population growth since 1850 has been largely enabled by commercial phosphorus and nitrogen fertilisers. The availability of these nutrients for food production relies upon steadily diminishing resources of natural gas and phosphorus rock. A recent study suggests that to secure a long-term affordable food supply, policy intervention is needed to conserve these essential resources.

Humanity is demanding ever greater economic productivity at a time when natural resources, the input that feeds this productivity, are dwindling. To reduce pressure on key assets, such as water, minerals, fuel and land, we must use less of them, and we need to increase the efficiency and productivity of resources that we do use, to achieve more output per input. Put simply, we must do more with less. This thematic issue reports on research which helps guide the way to a more resource efficient society.

Energy efficiency is at the centre of EU policy for achieving a fundamental transformation of Europe’s energy systems by 2030. This Thematic Issue reveals the complexity of the issue of energy efficiency, its links with resource efficiency and the wide range of factors influencing it, from technology to social practices.

Italian researchers have demonstrated low-cost techniques which may transform fly ash produced by Municipal Solid Waste Incineration from hazardous landfill into potentially the world's fifth largest raw material resource. The initial results have prompted European Commission funding for a demonstration project under LIFE+.

A recent study has investigated how taxes on virgin raw materials used in construction, such as gravel and sand, have reduced the use of these resources, based on experiences in Denmark, Sweden and the UK. However, greater incentives to recycle these materials are still needed, says the study.

A recent study has found that improved management of phosphorus in the EU would reduce reliance on imported phosphorus, in addition to reducing damage from excess phosphorus in the environment. This could be achieved through the appropriate use of fertilisers and greater recovery and recycling of phosphorus from all waste sources.

Flat screen televisions and computer monitors should be designed so they can be quickly dismantled for recycling, a recent study says. The researchers calculated that in order to ensure the recycling process remains economically viable, it must be possible to disassemble small screens in less than 11 minutes. Good design could lower the costs of recycling and enable near-total recovery of precious metals from the waste screens.

Recycled waste material could play a major role in the construction of roads in Europe, bringing both environmental and economic benefits. A new study proposes a scenario where 50% of the asphalt for Europe’s roads consists of recycled materials, leading to significant reductions in costs, energy use and greenhouse gas emissions.

The design and implementation of Payments for Ecosystem Services (PES) schemes could benefit from lessons learned from the management of common pool resources (CPR). By examining previous research into CPR, an international team of researchers has demonstrated that six sustainable management characteristics of CPRs also hold lessons for PES practitioners.

In the Mediterranean region the demand for natural resources and ecological services is two and half times greater than ecosystems’ capacity to provide them, recent research has found. To meet this demand, countries rely on imports, exposing themselves to price volatility and potential resource shortages. According to the authors, a 10% increase in global prices would particularly impact vulnerable countries such as Jordan, which would see its trade balance worsening by 2.4% of its gross domestic product.

New research highlights that potential to use forest materials as bioenergy to reduce greenhouse gas (GHG) emissions from fossil fuel use must be balanced against the role played by forest stocks as carbon storage facilities.

Ambiguity arises in a decision-making process when there is more than one way of interpreting a problematic situation. A new study has explored five possible strategies to overcome ambiguity in natural resources management – rational problem solving, persuasive communication, learning through dialogue, negotiation and opposition. A case study of water management in Spain is given to illustrate how these strategies have been used.

Better and more efficient management of materials is an important EU policy goal. New research has analysed what drives resource use and the productive use of materials across Europe and indicated that energy efficiency and construction of buildings and roads are the main policy areas to address.

Resource productivity has become a popular indicator of environmental sustainability. However, new research has demonstrated that it is influenced by national income and its current use tends to support a simultaneous growth in economic productivity and resource consumption. In order to shape policy effectively, the study suggests that targets should directly emphasise resource consumption and emissions.

A number of EU policy targets and indicators exist to improve the efficiency of natural resource use. A new report produced for the European Commission concludes that although indicators of resource use need improvement, they are still a valuable policy tool to monitor progress towards sustainable material, energy, water and land use.

A Portuguese waste management system for packaging has brought a range of environmental, economic and social benefits, according to a recent study. One of the scheme’s main achievements was that it avoided around 116 kilotons (kt) of CO2 equivalent emissions in a single year, equal to the emissions associated with the electricity use of 124 000 households. These emissions were largely circumvented because the system recovers large amounts of energy and materials from the waste packaging.

Improving the efficiency of industries and products has not led to overall reductions in the consumption of goods and services, a new study has found. The research looked at the historical relationship between efficiency improvements and resource consumption across 10 different activities, including electricity generation and passenger air travel. However, shorter decade-long periods, where efficiency improvements outpaced resource consumption, suggested that legislation and price pressures could be effective at reducing resource consumption.

A new five-step method has been developed for assessing the resource efficiency of products and improving the reuse, recycling and recovery of material at a product’s end of life. The Resource Efficiency Assessment of Products (REAPro) method allows the identification and testing of practical measures to improve resource efficiency at both the product and policy level.

International trade has increasingly relied on material resources since the 1990s, according to a new study. The research used the most detailed global computer model available for capturing the effects of international trade on the environment and on the efficiency of resource use between 1995–2011. Sharp increases in the trade of cheap ‘fast fashion’ and mass market electronics are highlighted as two of the fastest growing drivers of this change in material inefficiency.

Researchers have developed a ‘watershed economics approach’ which could help water managers balance competing uses for water and understand the impact of different policies. To demonstrate the approach, it was applied to a watershed in Cyprus.

A new study has concluded that the benefits of carbon capture and storage (CCS) to human health and ecosystems from reduced climate change related impacts considerably outweigh any negative impacts from using the technology in power plants. However, CCS has a large impact on the depletion of natural resources.

Under pressure from rising food prices, many nations have begun to acquire large tracts of agricultural land in foreign countries, a practice known as ‘land grabbing’. New research has now quantified current levels of land grabbing and demonstrated that it is accompanied by concerning levels of ‘water grabbing’ which could affect water supply in the ‘grabbed’ countries.

Population growth of any country is ultimately dependent on that country’s access to freshwater resources, which also determines its capacity to produce food. A new study shows that population growth is expected to decline in countries with low water resources, as water-rich countries reduce food exports in order to feed their own growing populations.

Water resource management needs to adapt to changes in climate, water demand and land use. A new tool has been developed by the LIFE+ Water Change Project to assess these ‘global change’ impacts on water resources and inform decisions on optimal adaptation strategies. A recent study has applied the tool to a river basin in Spain.

Dense urban environments have significant resource-saving potential and serve as good platforms for climate change mitigation. This study reviewed an initiative to improve use of energy and water in Rotterdam, highlighting factors important for success including exchanges in close geographic proximity and private-sector participation.

Water-supply planning that considers the preferences of multiple stakeholders under uncertain and variable future conditions are more robust than planning decisions based on historical conditions, a recent study has stated. Using the Thames river basin in the UK as an example, the researchers present a new computer-modelling approach to assess which combinations of water-management measures best secure future water supply under a wide range of possible future conditions.

New technology that makes energy capture from waste water and re-use of grey water possible can contribute to energy- and resource efficiency — but the widespread application of such technology requires a new, collaborative approach, shows a new study. Taking radical innovation in urban water systems beyond the pilot stage will require cooperation between a variety of stakeholders, suggest the findings of expert interviews and workshops.

Scientists have published findings from the largest and broadest survey on sewage resource recovery conducted in Europe to date. Researchers surveyed more than 600 waste-water treatment plants (WWTPs) in Italy, which represent approximately 25% of the country’s total load of treated sewage. The findings provide a comprehensive picture of the current state of sewage resource recovery in WWTPs, revealing that just 40% of plants perform some form of material or energy recovery, and identifying several of the important driving forces behind implementation. This research provides valuable information and insights for policymakers and WWTP managers aiming to improve WWTP sustainability and close the sewage resource-recovery loop.

Ash from waste incineration can be made safer simply by mixing it with rice husks, water and other forms of waste ash at temperatures under 100 °C, according to new research. Once dried, the end product not only locks away toxic metals lead and zinc, but also stores carbon. Furthermore, it can be used in the polymer industry to lower costs, improve polymer properties and reduce the use of natural resources.

The Alang shipbreaking yards in India recycle almost half of all end-of-life ships worldwide. The major activity at the yards is plate-cutting, used to recover steel from ships. This process consumes nearly 29 kg of oxygen and 7 kg of liquefied petroleum gas (LPG) and emits almost 22 kg of CO2 per 1 km-long cut with a 1 mm depth. This study reveals the carbon footprint and resources consumed in the cutting of steel plates. The method used to derive these findings could be adapted to ship dismantling yards worldwide.

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