What is the optimal fertility rate?

What is the optimal fertility rate?

By Erich Striessnig, IIASA World Population Program When asked what a desirable fertility level for populations might be, most politicians, journalists, and even social scientists would say it is around two children per woman, as this would – on the long run – prevent...

Systems analysis for risk and resilient development

Systems analysis for risk and resilient development

By Junko Mochizuki, Adriana Keating and Reinhard Mechler, IIASA Risk, Policy, and Vulnerability Program The year 2015 will mark a crucial milestone for the international development, climate change, and disaster management communities. Negotiations are currently...

IIASA Employee Number 1

IIASA Employee Number 1

By Martha Wohlwendt IIASA's Alumni Association is hosting its first Alumni Day on April 29, 2014, and we are inviting alumni to send their memories and photos of their time at IIASA. Our first post comes from Martha Wohlwendt, IIASA’s first employee, Executive...

How can Europe cope with multiple disaster risks?

How can Europe cope with multiple disaster risks?

Interview with IIASA risk expert Nadejda Komendantova In a new study, IIASA Risk, Policy, and Vulnerability Program researcher Nadejda Komendantova and colleagues from Germany and Switzerland examined how natural hazards and risks assessments can be incorporated into...

Interview: Taking Geo-Wiki to the ground

Interview: Taking Geo-Wiki to the ground

Steffen Fritz has just been awarded an ERC Consolidator Grant to fund a research project on crowdsourcing and ground data collection on land-use and land cover. In this interview he talks about his plans for the new project, CrowdLand.  What’s the problem with current...

Modeling terrorism

Modeling terrorism

On October 15, 2012, a young man from Bangladesh named Quazi Mohammad Rezwanul Ahsan Nafis parked next  to New York Federal Reserve Bank in a van with what he believed was a 1000-pound bomb, walked a few blocks away, and then attempted to detonate the bomb by mobile...

Healthy living in hard times?

Healthy living in hard times?

By Raya Muttarak, Research Scholar, IIASA World Population Program For many years social scientists have observed a connection between economic downturns and a reduction in both unhealthy behaviors and mortality—a paradigm known as “healthy living in hard times.” One...

Interview: The problems with phosphorus

Interview: The problems with phosphorus

In a new commentary (subscription required) in Nature Geoscience, IIASA researchers Michael Obersteiner, Marijn van der Velde,  and colleagues write about the problems facing the world’s food supply as we exhaust our supplies of phosphorus. Projections show that...