This chapter advances UN SDG goals 7 and 13 by evaulating the potential of hydrogen energy globally as an alternative to fossil fuels for energy and transportation.

This chapter advances UN SDG goals 7 and 13 by evaluating the prospects for microalgae-based biofuels replacing fossil fuels in the global energy industry.

This chapter advances UN SDG goals 7 and 13 by providing an overview of the current prospects and challenges involved in scaling low-carbon H2 production in Europe.

This chapter advances UN SDG goals 7 and 13 by examining large-scale infrastructure and the associated safety hazards of emerging hydrogen technologies as a replacement for fossil fuels in the global energy and transport industries.

This chapter advances UN SDG goals 11 and 13 by examining the current state of CO2 capture and conversion technologies and their deployment at the industrial scale to achieve net-zero CO2 emissions.

This chapter advances UN SDG goals 11 and 13 by examining how the development of clean technologies can reduce potential environmental and human health hazards associated with the production of nanotechnology products.

This chapter advances UN SDG goals 11, 13, and 9 by examining how cities can transform in the face of climate change and socio-ecological crises to become more sustainable and resilient.

This content aligns with Goal 3: Good Health and Wellbeing by discussing the mechanism of action and the differences among the different classes of RTs (HIV-1, Tyr3, and TERT) which encompass the three main classes of RTs: retroviruses, retrotransposons, and telomerases, respectively.

This content aligns with Goal 3: Good Health and Wellbeing by showing human immunodeficiency viruses, HIV-1 and H1V-2, as examples of species cross-over.

This content aligns with Goal 3: Good Health and Wellbeing by providing information about lessertia frutescens, an adaptogenic tonic, and commercial tablets that are popular to counteract the muscle-wasting effects associated with HIV-AIDS in patients and to stimulate appetite.