<iframe src="//www.slideshare.net/slideshow/embed_code/key/4dM4QLiqXssbEx" width="668" height="714" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" style="border:1px solid #CCC; border-width:1px; margin-bottom:5px; max-width: 100%;" allowfullscreen> </iframe> <div style="margin-bottom:5px"> <strong> <a href="//www.slideshare.net/SimoneBoccuccia/atmospheric-carbon-dioxide-variations-at-mauna-loa-observatory-hawaii" title="Atmospheric carbon dioxide variations at Mauna Loa Observatory, Hawaii" target="_blank">Atmospheric carbon dioxide variations at Mauna Loa Observatory, Hawaii</a> </strong> from <strong><a href="https://www.slideshare.net/SimoneBoccuccia" target="_blank">SimoneBoccuccia</a></strong> </div>