BRAZIL WORLD CUP III

Brazilians protest against World Cup costs

http://www.dw.de/brazilians-protest-against-world-cup-costs/a-17640064

BRAZIL WORLD CUP II

Brazil has the World Cup blues

http://www.dw.de/brazil-has-the-world-cup-blues/a-17671190

BRAZIL WORLD CUP

Brazil in a Mad Dash to Prepare for World Cup and More Protests

http://bleacherreport.com/articles/2065815-brazil-in-a-mad-dash-to-prepare-for-world-cup-and-more-protests

UKRAINE CRISIS III

http://www.the-american-interest.com/articles/2014/05/13/the-ukraine-russia-crisis-and-the-western-response/

UKRAINE CRISIS II

http://www.theguardian.com/commentisfree/2014/apr/20/ukraine-crisis-putin-europe-borders-peril-russia-nationalism

UKRAINE CRISIS

Ukraine crisis: a guide to everything that's happened so far


http://www.theguardian.com/world/2014/apr/11/ukraine-russia-crimea-sanctions-us-eu-guide-explainer

ENVIRONMENTAL ISSUES II

What is Renewable Energy?

http://extension.psu.edu/natural-resources/energy/what

Types of Renewable Energy

http://www.renewableenergyworld.com/rea/tech/home

ENVIRONMENTAL ISSUES

Obama's commitment to climate action


http://switchboard.nrdc.org/blogs/fbeinecke/obama_reaffirms_commitment_to.html

ENLACE EJERCICIOS PRUEBAS PAU

http://mbonillo.xavierre.com/grammar/pautips.html

ENLACE EJERCICIOS CON SOLUCIONES REPHRASIG Y GRAMÁTICA +

http://www.xtec.cat/~ogodoy/sac/rephrasing/rephrexercises.htm