his is a book about Aldo Leopold’s land ethic,1 a view he developed over the course of his lifetime, a view that was informed by his experiences as a hunter, forester, wildlife manager, ecologist, con-servationist, and professor. It culminated in the essay “The Land Ethic” in A Sand County Almanac, published posthumously after his untimely death at age sixty-one in 1948. It has been extre…
When Augustus De Morgan died in 1871, he was described as ‘one of the profoundest mathematicians in the United Kingdom’ and even as ‘the greatest of our mathematicians’. But he was far more than just a mathematician. Because much of his voluminous written output on various subjects was scattered throughout journals and encyclopaedias, the breadth of his interests and contributions has b…
Across North and South America, Indigenous people play a dual political role, building self-governing structures in their own nations and participating in the elections of settler states. Doing Democracy Differently asks how states are responding to demands for Indigenous representation and autonomy and in what ways the ongoing project of decolonization may unsettle the practice of democracy. B…
The Portuguese explorer Francisco Newton was one of thefirst naturalists todedicate almost one decade to the study of the outstanding diversity of the Gulf ofGuinea oceanic islands. The collections he made, in what was largely unexploredterritory for science, allowed the description of dozens of new species and began toreveal intriguing biogeographic patterns. Gazing at the species he was colle…
The new concept of health, developed in the recent years, considers the person’s well-being more heterogeneously. A new model that considers the relationship between human health and the environment has strongly emerged during the last three decades. Our state of well-being is continually threatened by a series of internal and external disturbin…
Building on five years of national organizing by Arts in a Changing America, an artist-led initiative that challenges structural racism in the art world, FUTURE/PRESENT includes a range of poetry, essays and criticism, visual and performance art, artist manifestos, interviews, and reflections on community practice.
Rice is cultivated in tropical Asia (South and Southeast Asia) over an area of about 88.7 million ha, with an annual total production of nearly 183.8 million tons of rough rice, an average productivity of 2.7 t/ha (Table 1). Only 14% of the rice area in tropical Asia supports 2 crops of rice per year under irrigation. The remaining riceland is entirely rainfed, with varying water regimes. In ar…
"'There are other things deep in the jungle, my lord, that no man may look upon and live.' "'What, for example?' demanded King. "'The ghosts of my ancestors,' answered the Cambodian, 'the Khmers who dwelt here in great cities ages ago. Within the dark shadows of the jungle the ruins of their cities still stand, and down the dark aisles of the forest pass the ancient kings and warriors and lit…
The first few pages of the Tree Book give you some tips on how to identify trees. Once you are familiar with the identifying features, turn to the identillcation keys and narrow your choices. To help you locate trees in the book, the colour used in the key for grouping trees with sinlilar features is the same as the coloured background in the upper right corner of the second page for each tree …
Here is a story that has lain dormant for seven hundred years. At first it was suppressed by one of the Plantagenet kings of England. Later it was forgotten. I happened to dig it up by accident. The accident being the relationship of my wife's cousin to a certain Father Superior in a very ancient monastery in Europe. He let me pry about among a quantity of mildewed and musty manuscripts an…