Read the following excerpts from two different articles discussing the effectiveness of renewable energy sources in combating climate change.
Article A: 'Wind and solar energy are among the most viable options for reducing greenhouse gas emissions, according to recent studies by the Renewable Energy Agency.'
Article B: 'While advocates assert the benefits of renewable energy, critics highlight the initial investment costs and the intermittent nature of energy supply.'
Based on these articles, which option best integrates information from both articles to support a conclusion about the effectiveness of renewable energy?