1902 Newspaper article (<i>The Selma Morning Times,</i> Selma, Alabama, US; October 15, 1902) describing a theory of <a href="https://en.wikipedia.org/wiki/Svante_Arrhenius" class="extiw" title="w:Svante Arrhenius">Svante Arrhenius</a> that coal combustion may cause catastrophic global warming.
<ul><li>Source: <cite style="font-style:normal"> (<span class="mw-formatted-date" title="1902-10-15">October 15, 1902</span>). "<a rel="nofollow" class="external text" href="https://www.newspapers.com/image/570090173/">Hint to Coal Consumers</a>". <i>The Selma Morning Times</i>: 4.</cite></li></ul>
<i>The Selma Morning Times</i> (1902 newspaper in Alabama, US)
<cite style="font-style:normal"> (<span class="mw-formatted-date" title="1902-10-15">October 15, 1902</span>). "<a rel="nofollow" class="external text" href="https://www.newspapers.com/image/570090173/">Hint to Coal Consumers</a>". <i>The Selma Morning Times</i>: 4.</cite>