Tropics

• Shallow soils promote savannas in South America (20 Oct 2017)
  
• New study finds equatorial regions prone to disruptive space weather (25 Aug 2015)
  
• Research links two millennia of cyclones, floods, El Nino (09 Jul 2015)
  
• El Nino will be 'substantial' warn Australian scientists (09 Jul 2015)