<tab><a id="c316"></a><h2>Climate Change Science</h2><p>What is global warming? <br />What are greenhouse gases (GHG)?<br />Why is it so important to reduce human emission of greenhouse gases? <br />What is Global Warming Potential (GWP)?<br />How is Global Warming Potential calculated?<br />What does the term CO2e stand for?<br />How can GHG emissions be reduced?<br />What is a carbon offset?<br />What is a carbon offset project?<br />Does it make any difference where carbon offset projects take place?<br />What about other greenhouse gas emissions? Is it only carbon dioxide that matters?</p><a id="c417"></a><h3 class="first">What is global warming?</h3><div class="h3-clear"></div><p>Global warming is an increase in average world temperature of the atmosphere and oceans. Global warming has been documented in recent decades and is projected to continue for the foreseeable future, bringing with it numerous changes in climatic conditions worldwide.</p></tab>