Therefore, in response to existing environmental concerns related to the emission of harmful emissions from ships and improving the global air quality, the IMO issued a regulation to impose new emissions standards designed to curb the global fleetвЂ™s pollution significantly. However, the world focus on climate change has also drawn the attention of the IMO. The Editorial concludes by presenting briefly the papers published in this Special Issue, which were selected among the ones presented at the 2021 World of Shipping Portugal, an international research conference on maritime affairs, 28вЂ“29 January 2021, that took place online from Portugal to the World due to the Covid-19 pandemic.ДЄs a response to existing environmental concerns, other than oil pollution, such as noxious liquid substances, sewage, garbage, and invasive species from ballast water, the IMO has been releasing various legislative measures to mitigate the impact shipping operations have on the environment. Altogether, these events draw the industry to deal with the market, technology, and regulatory challenges and risks whose outcome is yet to be seen. However, some market segments, such as the container and dry bulk ones, have managed to survive, which is not the case with the tanker market. Within this regulatory environment, the shipping industry also had to deal with the COVID-19 Pandemic. Innovative measures like the Poseidon Principles or the Sea Cargo Charter are in place, and industry players are coming together to find feasible solutions. Within this scope, the current Editorial addresses the issue of sulphur emissions that the industry faced with the entrance of the sulphur regulation on 1 January 2020 and draws attention to the road that the industry players need to cover to decarbonise the shipping industry. Although it has overcome numerous technological barriers and finance and economic crises over the years, the industry is facing its most prominent challenge, which rests on finding the most feasible solutions to deal with industry decarbonisation until 2050. Currently, the shipping industry is at a crossroads.

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