Climate change has made some soil in Bangladesh more salty, so many farmers have had to leave fields fallow. But what if there were rice varieties that could naturally tolerate the salty conditions?
The gruesome discovery of the sites thought to contain dozens or possibly hundreds of remains of migrants from Myanmar and Bangladesh, follows a similar find this month across the border in Thailand.
At least 1,000 are still stranded offshore in rickety boats with little food or water. But so far, the governments of Southeast Asia have shown no willingness to let them come ashore.
As thousands of members of the persecuted minority flee Myanmar and Bangladesh on rickety boats, the rest of Southeast Asia is showing a distinct reluctance to take them in.
Malaysia and Indonesia have also turned away the Rohingya, who have fled persecution in Myanmar. The migrants also include Bangladeshis who are escaping poverty in their country.
The writer Ananta Bijoy Das was killed by men wielding machetes. He wrote for the same blog founded by Avijit Roy, a Bangladeshi-American who died in a similar attack in February.
At the site of the Rana Plaza tragedy in Bangladesh, families gathered to remember their loved ones and call for better working conditions. Changes have been made, but there's a long way to go.