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Topic Review
Fungicides Elimination in Agriculture
Fungicides is a class of pesticides that target fungi that is commonly used in conventional farming. The benefits of pesticides are the consequences of their effects: increased productivity, protection of crop losses, vector disease control, and quality of food. Europe’s Farm to Fork strategy aims to boost the development of its organic farming area to 25% of total farmland by 2030. The environmental impacts of fungicides due to their production and application are analyzed, and expected benefits to human health and ecosystem quality due to their elimination are calculated here.
  • 607
  • 20 Apr 2022
Topic Review
Carbon Potential of Green Hydrogen
As a potential storage material, hydrogen (H2) is considered to be promising and considerable research has been invested into this matter. Scientists and industry discriminate between different colors of hydrogen depending on the method of production: Green hydrogen, for example, implies that production is (almost) CO2-neutral using e.g., bio gas or renewable energies such as wind power; whereas gray hydrogen is produced using fossil fuels such as oil or gas. Turquoise hydrogen implies using methane pyrolysis fueled by renewable energy sources, i.e., it is also considered to be CO2-neutral.
  • 606
  • 22 Sep 2021
Topic Review
Above-and-Belowground Carbon Stocks
Peatlands areas are where partially decayed organic materials accumulate over time and where litter deposition exceeds anaerobic decomposition. These sites are important reservoirs of biodiversity, carbon, and water.
  • 606
  • 28 Feb 2022
Topic Review
Smart and Mechanized Agricultural Application
Smart farming can be applied to improve crop quality and profit and reduce costs by optimizing various processes such as environmental conditions, growth status, soil status, irrigation water, pest control, fertilizers, weed management, and greenhouse production environments
  • 606
  • 27 Jun 2022
Topic Review
Legislative System of Photovoltaic Industry Development in China
As one of the world’s largest energy consumers, China is facing the challenge of growing energy demand. Under this background, China is actively implementing the concept of green development and sustainable development route. As inexhaustible green energy, solar energy, has been established as an independent energy type by the Renewable Energy Law and has a broad development prospect. At present, the industrialization level of photovoltaic manufacturing in China is constantly improving, and the efficiency of photovoltaic power generation is constantly improving. However, from the perspective of the system, China’s photovoltaic industry supporting legal system is not perfect. There is a mismatch between the existing laws and industrial development needs, which restricts the future development of photovoltaic power generation in China. The legal environment is crucial to the development of a country’s relevant industries. Only with a good supporting legal system can the development and utilization of solar energy be carried out reasonably and orderly. The PV industry legislation should be adjusted and responded to in a timely manner according to the development situation of the PV industry and the PV market, so as to speed up the introduction of core laws in the PV field, continuously improve the supporting legal system, and effectively play the role of institutional protection of the law. 
  • 605
  • 20 Jan 2022
Topic Review
Water–Energy–Food Nexus Research in Africa
The nexus of water, energy and food (hereafter WEF nexus) is undoubtedly complex, yet critical, for it mediates numerous issues that humankind faces today. These three resource systems are intimately interlinked and essential to the livelihoods of mankind, whereby actions in one sector are likely to have reciprocal impacts on other sectors, resulting in conflicts or competition.
  • 604
  • 12 Apr 2021
Topic Review
Photocatalytic Desulfurization
Desulfurization of fuels such as diesel, gasoline, kerosene, and jet fuel has been a challenging operation and remains critical to the petrochemical industry. The main naturally occurring sulfur-containing organic compounds (SCCs) are sulfides, disulfides, mercaptans, thiophene (Th) and its derivatives (benzothiophene (BT), dibenzothiophenes (DBTs), 4-methylbenzothiophene (4-MBT), 4,6-dimethyldibenzothiophene (4,6-DMDBT), 3,7-dimethyldibenzothiophene (3,7-DMDBT), and 2,8-dimethyldibenzothiophene (2,8-DMDBT)). The presence of these SCCs in fuels is undesirable since they create problems during refining, namely deactivation of some catalysts and corrosion of equipment. Moreover, sulfur compounds release toxic SOx and cause severe environmental problems: water and air pollution, global warming, ecological instability, as well as the harmful impact on living organisms. Many countries (USA, European Union, Japan, China and so on) have introduced strict standards to limit the content of sulfur in fuels to 10 ppm.
  • 604
  • 23 Sep 2022
Topic Review
Recycling Phosphorus from Agricultural Streams
Phosphorus (P) is a crucial element for producing crops and is widely used in both recycled manure and inorganic fertiliser. Its cycle has a high impact on the total environment, interfacing the hydrosphere and the pedosphere, and being heavily dependent on the biosphere and anthroposphere. The grey P adsorbents are based on waste materials from the steel industry, which ensure a high rate of P removal but do not allow for its direct reuse as fertiliser. Green P adsorbents are vegetable wastes; they are abundant, locally available, low-cost, and eco-sustainable, but the challenge is certainly their transport. A limitation to the reuse and recycling of agricultural by-products is seeking reusability at all costs, without evaluating the technical and economic feasibility; extra interventions are frequently proposed (i.e., applying high temperatures or adding expensive synthetic molecules to modify the pH). In general, the most promising feasibility is given by its direct use as a soil conditioner or by composting it as a by-product, as the only pre-treatment.
  • 604
  • 01 Dec 2022
Topic Review
Market Premium for Green Buildings
In real estate markets, there is growing relevance of Green Buildings, especially in cities where the greater part of residential buildings is built before the first regulations on energy performance. Through policies oriented towards sustainable practices, a twofold goal can be achieved: energy consumption mitigation respecting the historical value for existing buildings, direct economic impacts on real estate values.
  • 603
  • 25 May 2022
Topic Review
Physical Algae Removal Technology
The most commonly used techniques for algae removal by physical methods include mechanical methods, shading technology methods, air flotation, clay flocculation, ultrasonic methods, filtration, ultraviolet irradiation, and adsorption.
  • 603
  • 21 Mar 2023
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