1 (a) The clearest part of the polpular article is Arctic ice will melt by 2100 due to global warming. In the podcast the description of weather and natural beauty and taste of water is clearly understood. The introduction, conclusion and the graphs of the scholarly article are the clearest parts. Climate change will cause the arctic ice to melt and it will further cause climate change is the clearest idea I got from scholarly podcast.
1 (b) Least clear part of popular article is how declines in Arctic sea-ice cover during the winter months would reduce winter precipitation. From podcast it is least clear what 40 scientists are going to do Least clear part of scholarly article is the relationship of plant growth with UV-B. Least clear part in scholarly podcast is the how general circulation model works and how accurate are the predictions
2. The author of the popular article warns us about the danger of global warming. The director of the popular podcast also trying to communicate the adverse impacts of climate change, but it gives more description of nature. The writers of the scholarly articles describe how different parameters are going to impact plant growth and how the ecosystem or different plant species will adapt to the change.