Earth Day is widely recognised as the largest secular observance in the world, marked by more than a billion people every year as a day of action to change human behaviour and provoke policy changes. This day recognises and celebrates the Earth and its ecosystems as our home and highlights the need to protect earth to enhance people’s livelihoods, counteract climate change, and stop the collapse of biodiversity. To raise awareness of Earth Day 2021, Elsevier presents a curated list of free access journal articles and book chapters in support of this year's theme - Restore our Earth.
World Water Day is an annual United Nations Observance focusing on the importance of freshwater and raising awareness of the 2.2 billion people living without access to safe water.To raise awareness of the value of water, Elsevier presents a curated list of free access journal articles and book chapters. At Elsevier, we are advancing #SDG6 research and ensuring that #Everydrop counts.
Anthropogenic activity is a major driver of seabird injury and mortality in the 21st century.
There exist no future projections of fishery conflict that consider wider societal trends. This paper builds four future fishery conflict scenarios by using a multimethod approach.

Proximity and size of the nearest market (‘market gravity’) have been shown to have strong negative effects on coral reef fish communities that can be mitigated by the establishment of closed areas

Despite the importance of tropical forest conservation in achieving global sustainability goals and the key role of forest-risk commodity trade in driving deforestation, consumer country policy option
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Antigoni Faka, Konstantinos Tserpes, Christos Chalkias, Chapter 10 - Environmental sensing: a review of approaches using GPS/GNSS, Editor(s): George p. Petropoulos, Prashant K. Srivastava, GPS and GNSS Technology in Geosciences, Elsevier, 2021, Pages 199-220, ISBN 9780128186176, https://doi.org/10.1016/B978-0-12-818617-6.00013-5.

This chapter advances UN SDG goal 12 by enabling environmental assessment through remote sensing technologies
Trichlorfon is an organophosphate pesticide used extensively for controlling ectoparasites in aquaculture. Studies have found that trichlorfon caused environmental pollution and severe neurotoxic effects in several freshwater species. Feed additives such as flavonoids may reduce or prevent pesticide-induced toxicity in fish. The aim of the present study was to determine whether acute exposure to trichlorfon impairs behaviour and causes oxidative damage in brains of silver catfish (Rhamdia quelen).
This chapter aligns with Goal 14: Life Below Water and Goal 3: Good Health and Wellbeing by highlighting some of the many beneficial nutritional and pharmaceutical applications of marine nutraceuticals.
This chapter aligns with Goal 14: Life Below Water and Goal 13: Climate Action by describing the role of ocean mixing shapes the contemporary mean climate and how advances in our understanding of dynamic mixing processes improves predictions change.

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