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Topic Review
Years of Living Dangerously
Years of Living Dangerously is an American documentary television series focusing on global warming. The first season was broadcast in the US in 2014 on Showtime. It won an Emmy Award as Outstanding Documentary or Nonfiction Series. The second season aired on the National Geographic Channel in 2016. Executive producers included James Cameron, Arnold Schwarzenegger, and series creators Joel Bach and David Gelber (formerly of 60 Minutes). Joseph Romm and Heidi Cullen were the chief science advisors. The weekly episodes featured celebrity hosts with a history of environmental activism and well-known journalists with a background in environmental reportage. These "correspondents" traveled the world and throughout the U.S. to interview experts and ordinary people affected by, and seeking solutions to, the effects of global warming. They acted as reporters and proxies for the audience, asking questions to find out people's opinions and to discover the scientific evidence. The final episode of season one featured an interview of President Barack Obama. Episodes explored the effects of rising sea levels, historic droughts and flooding, water scarcity, ocean acidification, deforestation and the rapidly increasing extinction rate of species, but also focused on "solutions that individuals, communities, companies and even governments can use to address worldwide climate change", including cheaper solar and wind energy, advancing battery technology and electric cars. Hosts included Cameron, Schwarzenegger, Harrison Ford, Ian Somerhalder, America Ferrera, David Letterman, Gisele Bündchen, Jack Black, Matt Damon, Jessica Alba, Sigourney Weaver, and various other actors and journalists. Schwarzenegger reflected on how the series tries to make the issue of climate change resonate with the public: "I think the environmental movement only can be successful if we are simple and clear and make it a human story. We will tell human stories in this project. The scientists would never get the kind of attention that someone in show business gets." Cameron elaborated: "We didn’t use our celebrities as talking head experts, because they’re not climate experts. They were concerned, intelligent, curious citizens who were out to find answers. They were functioning as journalists." Newsweek said that the celebrity hosts "lend sparks to an issue that sends most viewers for the exits".
  • 992
  • 01 Nov 2022
Topic Review
End-of-Life Household Materials
End-of-Life Household Materials (EoLHM) can be defined as household waste materials that still possess exploitable properties, thus making them suitable for reuse. There are several studies in the literature that address the recycling of these materials. When it comes to their reuse, unfortunately, only a limited number of studies are available.
  • 991
  • 19 May 2021
Topic Review
Unmanned Aerial Systems in Hydrogeology
In less than two decades, UASs (unmanned aerial systems) have revolutionized the field of hydrology, bridging the gap between traditional satellite observations and ground-based measurements and allowing the limitations of manned aircraft to be overcome. With unparalleled spatial and temporal resolutions and product-tailoring possibilities, UAS are contributing to the acquisition of large volumes of data on water bodies, submerged parameters and their interactions in different hydrological contexts and in inaccessible or hazardous locations. 
  • 990
  • 29 Apr 2021
Topic Review
Crop Plants with Silicon Application
Silicon (Si) is present in soil mainly in three different phases such as solid, liquid, and adsorbed. Solid phases can be either amorphous or crystalline. Plants take up Si from the soil which impacts their growth and nutrient accumulation. It increases plant resistance to abiotic and biotic stresses such as drought, salinity, and heavy metal, diseases, and pest infestation.
  • 989
  • 29 Apr 2022
Topic Review
Plant Growth in Altered Gravity/Microgravity
Understanding how plants respond and adapt to extraterrestrial conditions is essential for space exploration initiatives. Deleterious effects of the space environment on plant development have been reported, such as the unbalance of cell growth and proliferation in the root meristem, or gene expression reprogramming. However, plants are capable of surviving and completing the seed-to-seed life cycle under microgravity. A key research challenge is to identify environmental cues, such as light, which could compensate the negative effects of microgravity.
  • 990
  • 31 Oct 2022
Topic Review
Water-Soluble Organic Matter
Inspired by studies on outdoor organic aerosols (OA), recent studies discusses and prioritizes issues related to indoor water-soluble OA and their effects on human health, providing a basis for future research in the field. The following three main topics are addressed: (1) what is known about the origin, mass contribution, and health effects of water-soluble organic matter (WSOM) in outdoor air particles; (2) the current state-of-the-art on the WSOM in indoor air particles, the main challenges and opportunities for its chemical characterization and cytotoxicity evaluation; and (3) why the aerosol WSOM should be considered in future indoor air quality studies.
  • 987
  • 08 Nov 2021
Topic Review
Fique Plant in Colombia
The fique plant (Furcraea Vent.) forms part of a group of xerophytic monocotyledonous species. It belongs to the Asparagaceae family, the Agavoidea subfamily, and is native to the Andean region of South America.
  • 984
  • 09 Jan 2023
Topic Review
Countries Dependent on the Bay of Bengal
The countries dependent on the Bay of Bengal include littoral and landlocked countries that depend on the Bay of Bengal for maritime usage. Historically, the Bay of Bengal has been a highway of transport, trade and cultural exchange between diverse peoples encompassing South Asia and Southeast Asia. Today, the Bay of Bengal region is the convergence of two major geopolitical blocs- the Association of Southeast Asian Nations (ASEAN) and the South Asian Association for Regional Cooperation (SAARC). The Bay of Bengal Initiative for Multisectoral Technical and Economic Cooperation (BIMSTEC) promotes regional engagement in the area. The Bay of Bengal countries are often categorized into a maritime subregion. The bay hosts vital shipping routes linking its littoral and landlocked hinterland with the Indian Ocean. Its sea bed is being explored and exploited for hydrocarbon reserves.
  • 985
  • 18 Oct 2022
Topic Review
Macrophytes in Constructed wetlands
The vegetation in constructed wetlands (CWs) plays an important role in wastewater treatment. Popularly, the common emergent plants in CWs have been vegetation of natural wetlands. However, there are ornamental flowering plants that have some physiological characteristics similar to the plants of natural wetlands that can stimulate the removal of pollutants in wastewater treatments.
  • 985
  • 09 Aug 2021
Topic Review
Miragaia Longicollum
Miragaia (named after Miragaia, the parish in Portugal and geologic unit where its remains were found) is a long-necked stegosaurid dinosaur. Its fossils have been found in Upper Jurassic rocks in Portugal (Lourinhã Formation, Sobral Unit) and possibly also Wyoming, United States (Morrison Formation). Miragaia has the longest neck known for any stegosaurian, which included at least seventeen vertebrae.
  • 986
  • 14 Nov 2022
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