“环境出版物未定义” - 请帮忙

Question

%Section: Publications
\sectionTitle{Publications}{\faLeanpub}
\begin{publications}
    \publications
    {\textbf{Contrails Whitepaper}}  {\textbf{Mar 2023}} \\*
    {\website{https://www.flipsnack.com/Atkinscontent/contrails-whitepaper/full-view.html}\\*{https://www.flipsnack.com/Atkinscontent/contrails-whitepaper/full-view.html}} \\*
    {I was the Lead Author on a Thought Leadership piece for AtkinsRéalis’ Future of Flight Market Growth campaign. I researched areas surrounding traditional contrail development; effect of Sustainable Aviation Fuels (SAFs) and Hydrogen propulsion on contrail formation; and how the wider aviation sector can contribute to mitigate the impact of contrails on the environment.}       
    \publications
    {\textbf{CAP2522 - Future Flight Aircraft Capabilities}} \hspace{10mm}{\textbf{Dec 2022}} \\*
    {\website{https://www.caa.co.uk/our-work/publications/documents/content/cap2522/}{CAP2522}} \\*
    {I am a named author on the UK CAA publication CAP2522 – Future Flight Aircraft Capabilities paper produced by AtkinsRéalis for the UKRI. The study aims to provide a comprehensive basis of Future Flight Aircraft characteristics which identifies novel features compared to conventional reference aircraft.}
\end{publications}

% Define the 'publications' environment
\newenvironment{publications}{%
  \begin{longtable}{1}
}{%
  \end{longtable}


% Define the 'project' entry in the 'publications' environment
% Usage:
% \project
%   {<Project name>}{<dates>}
%   {<Project description>}

\newcommand\publications[4] 
{
  \begin{minipage}[t]{\dimexpr(\linewidth) - 1.5em}
    \textbf{\textsc{#1}}  \hfill \textsc{#2}\smallskip\\
    #3\smallskip\\      #4\smallskip\\
  \end{minipage}
  \\*
}

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