Q1: How do scientists know human activities are causing the recent warming? Answer: Prior to the Industrial Revolution and subsequent…+
Tag Archives: greenhouse gases
What about lag time?
In the past, carbon dioxide levels rose AFTER temperatures rose. Does this indicate that rising carbon dioxide levels today are an…+
What about water vapour?
Water vapour is the most abundant greenhouse gas in the atmosphere, yet other greenhouse gases (such as carbon dioxide and…+
General Overview
On this page you will find answers to some more questions about the changes that are happening to the climate:…+
The Sun’s effect on climate
How do we know the current warming trend is not caused by the sun? Here is a 3-minute video explanation…+
What was climate like in the past?
On this page, we investigate the following examples of ways of looking into past climates by using proxies: Ice cores…+
Feedback processes
Feedback processes either enhance (positive feedback) or weaken (negative feedback) the effect of climate change triggers. Feedback processes can be…+
Why must we prevent a 2ºC rise?
To avert potential and catastrophic effects on both humans and ecosystems, we must prevent global temperatures from rising by more…+
What might happen in the future?
On this page, we address these topics about Manitoba’s climate: How hot might it get? Globally Canada Manitoba What is…+
Natural processes
There are many naturally occurring processes that influence the climate – causing it to either warm or cool. These natural…+
