Scatterplot - GHG from 1990 to 2012

<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="utf-8">
		<title>Module 3 exercice</title>
		<script type="text/javascript" src="https://d3js.org/d3.v3.js"></script>
            
            <style type="text/css">
			
			body {
				background-color: #EBEFEB;
			}

h {
				font-size: 30px;
				font-family: arial;
				margin: 2;

}

p {
				font-size: 15px;
				font-family: arial;
				margin: 15px 0 0 0;

}

svg {
				background-color: #EBEFEB;
			}

circle:hover {
				fill: #635C5C;
			}

.axis path,
            .axis line {
            	fill: none;
            	stroke: black;
            	shape-rendering: crispEdges;
 
            }

.axis text {
                font-family: arial;
                font-size: 12px;

}

</style>

</head>
	<body>

<h1>Evolution of GHG in the last 20 years<h1/>

<p>Countries ranked by greenhouse gases emissions (GHG) per capita (kg, thousands), from 1990 to 2012, based on <a href="https://stats.oecd.org/">OECD data.<a/></p>

var w = 900;
var h = 500;
var padding = [1, 10, 30, 95 ]; //top - 0, right - 1, bottom - 2, left - 3

var xScale = d3.scale.linear()
                         .range([ padding[3], w - padding[1] ]);

var yScale = d3.scale.linear()
                    .range ( [ padding[0], h - padding[2] ]);

var xAxis = d3.svg.axis()
                 .scale(xScale)
                 .orient("bottom")
                 .ticks(10)
                 .tickFormat(function(d)
                  { return d + " kg ";
              }) 
                 ;

var yAxis = d3.svg.axis()
                 .scale(yScale)
                 .orient("left")
                 .tickFormat(function(d)
                  { return d + " kg ";
              }) 
                 ;

var svg = d3.select("body")
						.append("svg")
						.attr("width", w)
						.attr("height", h);

d3.csv("melaniejuliendata.csv", function(data) {

data.sort(function(a, b) {
		return d3.descending(+a.GHGin2012, 
			+b.GHGin2012);
		});

xScale.domain( [ 
            d3.min(data, function(d) {
      	return +d.GHGin2012;

}),

d3.max(data, function(d) {
      	return +d.GHGin2012;

}) 
      		]);

yScale.domain([ 
         d3.max(data, function(d) {
      	return +d.GHGin1990; 
        
         }),
      	d3.min(data, function(d) {
      	return +d.GHGin1990; 
      })
      	]);

var circles = svg.selectAll("circle")
					.data(data)
					.enter()
					.append("circle");

circles.attr("cx", function(d) 
			   	{return xScale(d.GHGin1990);
                  })
					.attr("cy", function(d, i) {
						return yScale(d.GHGin2012);
					})
					.attr("r", 0,1)
					.attr("fill", "#D11919")
					.append("title")
					.text(function(d) {
						return d.Country + "'s total GHG emissions was " + d.GHGin1990 +" kg per capita in 1990, and it's now "+ d.GHGin2012 +" in 2012";
					});
              
              circles.sort(function(a,b)
              	{return d3.ascending(+a.GHGin1990, +b.GHGin2012)
              	})
              .transition()
              .delay (function(d, i){
              	return i * 40;
              })
              .duration(2000)
              .attr ("fill", "#006600")
              .attr ("r", 4);

svg.append("g")
                   .attr("class", "x axis")
                   .attr("transform", "translate(0," + (h - padding[2]) + ")")
                   .call(xAxis);

svg.append("g")
					.attr("class", "y axis")
					.attr("transform", "translate(" + (padding[3] - 5) + ",0)")
					.call(yAxis);

});
      
		</script>

</body>
</html>

Modified http://d3js.org/d3.v3.js to a secure url

https://d3js.org/d3.v3.js