Conservation

Welcome to our second weekly headlines for 2013. This week's stories include:

• A Science Rendezvous to Inspire the Next Generation
  
• Next Steps for the Mars One Project
• Feeding the Planet Would Be Easier if We Didn't Waste Half of What We Produce
  

This week's five stories look at:

• New 3D Display Represents Advance in Augmented Reality;
• More Evidence that Fracking Causes Earthquakes;
• Seeding the Ocean to Sequester Carbon a Non-Starter;
• New Microscale Actuator Provides Engine for Micro Robots;

Harvesting algae cost-effectively has been a real challenge for those who are seeking alternative sources for biofuel production. Identified challenges include:

1. The volume of water required to get harvestable algae. Conventional methods for getting the water out of the biomass are energy intensive and usually involve chemical additives.

This week's five stories look at:

• Tripling the Efficiency of Organic Solar Cells;
• New Technology to Fight Coastal Flooding Using Irregular Concrete Blocks;
• Long Duration Human Space Flight Being Tested on the ISS;
• Pacific Island Entrepreneurs Receive Award for Green Initiatives;
• Delivering Wind and Solar Power Over Long Distances Possible with New HVDC Circuit Breaker.